Datos Del Cargador 621
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ENGINE 621B XT Model ....................................... 6T 590 Cylinders .......................................... 6 Bore/Stroke .................... 4.02" x 4.72" Displacement ......................... 3.59 in 3 Power SAE Gross ............. 138 @ 2200 rpm SAE Net ................ 126 @ 2200 rpm Maximum torque SAE Gross ..... 443 lb·ft @ 1400 rpm SAE Net ......... 429 lb·ft @ 1400 rpm 721B XT Model ....................................... 6T 830 Cylinders .......................................... 6 Bore/Stroke .................... 4.48" x 5.32" Displacement .......................... 504 in 3 Power SAE Gross ............. 157 @ 2100 rpm SAE Net ................ 140 @ 2100 rpm Maximum torque SAE Gross ..... 479 lb·ft @ 1500 rpm SAE Net ......... 458 lb·ft @ 1500 rpm Wheel Loader 621B/721B XT DIMENSIONS 621B XT Fully serviced unit including standard equipment, 20.5 x 25 12PR L2 tires, 2.25 yd 3 bucket, ROPS cab w/heater & A/C, 2,500 lb counterweight and 175 lb operator. Height to top of cab/canopy ....... 10'8" Wheelbase ................................... 114" Hinge pin height ........................ 12'8" Ground clearance ...................... 16.8" Tread width ................................... 74' Width over tires ........................... 8'0" Change in vertical dimensions w/ 17.5 x 25 tires .................... 2.25" 721B XT Fully serviced unit including standard equipment, 20.5 x 25 12PR L2 tires, 2.75 yd 3 bucket, ROPS cab w/heater and AC, 3,400 lb counterweight and 175 lb operator. Height to top of cab/canopy ....... 10'8" Wheelbase ................................... 114" Hinge pin height ........................ 12'8" Ground clearance ...................... 16.5" Tread width ............................... 78.1" Width over tires ........................... 8'4" HYDRAULIC SYSTEM 621B XT Steering pump capacity............................. 30.9 gpm @ 2200 rpm @ 2550 psi System relief pressure ......... 2550 psi Implement pump capacity............................. 56.4 gpm @ 2200 rpm @ 2350 psi 721B XT Steering pump capacity............................. 30.9 gpm @ 2200 rpm @ 2500 psi System relief pressure ......... 2525 psi Implement pump capacity............................. 56.4 gpm @ 2200 rpm @ 2700 psi Loader control valve: ..... Open-center series parallel circuit with positive low pressure regeneration for bucket dump. SERVICE CAPACITIES 621B XT 721B XT Cooling system............. 7 gal.. 8.5 gal Fuel tank .................... 51 gal... 54 gal Engine crankcase ........ 15 qt .... 20 qt Crankcase and filter . 16 qt .... 22 qt Transmission ............... 5 gal..... 6 gal Service (w/filter) ........ 2 gal.. 3.3 gal Total hydraulic system ...................... 40.5 gal. 40.5 gal Hydraulic reservoir. 23.8 gal. 23.8 gal Axles (each): Differential: front ........................... 10 qt .... 16 qt rear ............................ 10 qt .... 10 qt Hub (each): front .......................... 5.8 qt ...... 6 qt rear ........................... 5.8 qt ...... 6 qt Total: front ........................... 22 qt .... 28 qt rear ............................ 22 qt .... 22 qt CYCLE TIME 621B XT 721B XT Raise (with rated bucket load) .................. 5.7........ 5.9 Dump (with rated bucket load) .................. 1.7........ 2.0 Lower (empty, power down) ................. 5.0........ 5.1 Lower (empty, float down) .................... 4.4........ 4.6 Total Cycle Time ........... 12.4...... 13.0 NOTE: Above dimensions in seconds. OPERATOR ENVIRONMENT Front cab glass areas and sloped rear hood offer maximum visibility to work area. Easy-to-reach servo loader controls require low effort and short throw, fingertip operation. Five loader control options are available to customize operation. An audible alarm, multi-level warning lights and liquid crystal bar graphs alert operator to individual function status. Transmission shifter features lever- controlled forward/ reverse, with twist-grip range selection. Instrumentation monitors all individual machine functions. Optional analog gauges include tachometer, voltmeter, engine oil pressure, transmission oil temperature. A padded adjustable steering wheel and DRIVELINE 4 forward/3 reverse speed full powershift transmission. Electric twist- grip range selector lever on steering column. Semi-automatic shifting for upshifts and downshifts. CYLINDERS Diameter Stroke Rod LOADER Lift (2) ........ 5.0" ........ 32.8" ....... 3.0" Dump (1) .... 4.5" ........ 39.4" ....... 2.3" STEERING (ARTICULATION) (2)................ 3.0" ........ 17.4" ....... 1.8" NOTE: Above dimensions apply to both the 621B XT and 721B XT.
Transcript of Datos Del Cargador 621
ENGINE621B XTModel....................................... 6T 590Cylinders .......................................... 6Bore/Stroke.................... 4.02" x 4.72"Displacement ......................... 3.59 in3
PowerSAE Gross ............. 138 @ 2200 rpmSAE Net ................ 126 @ 2200 rpm
Maximum torqueSAE Gross ..... 443 lb·ft @ 1400 rpmSAE Net......... 429 lb·ft @ 1400 rpm
721B XTModel....................................... 6T 830Cylinders .......................................... 6Bore/Stroke.................... 4.48" x 5.32"Displacement .......................... 504 in3
PowerSAE Gross ............. 157 @ 2100 rpmSAE Net ................ 140 @ 2100 rpm
Maximum torqueSAE Gross ..... 479 lb·ft @ 1500 rpmSAE Net......... 458 lb·ft @ 1500 rpm
Wheel Loader621B/721B XT
DIMENSIONS621B XTFully serviced unit including standardequipment, 20.5 x 25 12PR L2 tires,2.25 yd3 bucket, ROPS cab w/heater &A/C, 2,500 lb counterweight and 175 lb operator.
Height to top of cab/canopy ....... 10'8"Wheelbase ................................... 114"Hinge pin height ........................ 12'8"Ground clearance ...................... 16.8"Tread width ................................... 74'Width over tires ........................... 8'0"Change in vertical dimensions
w/ 17.5 x 25 tires .................... 2.25"
721B XTFully serviced unit including standardequipment, 20.5 x 25 12PR L2 tires,2.75 yd3 bucket, ROPS cab w/heaterand AC, 3,400 lb counterweight and175 lb operator.
Height to top of cab/canopy ....... 10'8"Wheelbase ................................... 114"Hinge pin height ........................ 12'8"Ground clearance ...................... 16.5"Tread width ............................... 78.1"Width over tires ........................... 8'4"
HYDRAULIC SYSTEM621B XTSteering pump
capacity............................. 30.9 gpm@ 2200 rpm @ 2550 psi
System relief pressure ......... 2550 psiImplement pump
capacity............................. 56.4 gpm@ 2200 rpm @ 2350 psi
721B XTSteering pump
capacity............................. 30.9 gpm@ 2200 rpm @ 2500 psi
System relief pressure ......... 2525 psiImplement pump
capacity............................. 56.4 gpm@ 2200 rpm @ 2700 psi
Loader control valve:..... Open-center series parallel circuit
with positive low pressure regeneration
for bucket dump.
621B/721B XT Page 1 of 4
SERVICE CAPACITIES621B XT 721B XT
Cooling system............. 7 gal.. 8.5 galFuel tank.................... 51 gal... 54 galEngine crankcase ........ 15 qt .... 20 qt
Crankcase and filter . 16 qt .... 22 qtTransmission ............... 5 gal..... 6 gal
Service (w/filter)........ 2 gal.. 3.3 galTotal hydraulic
system ...................... 40.5 gal. 40.5 galHydraulic reservoir. 23.8 gal. 23.8 gal
Axles (each):Differential:
front........................... 10 qt .... 16 qtrear ............................ 10 qt .... 10 qt
Hub (each):front.......................... 5.8 qt ...... 6 qtrear ........................... 5.8 qt ...... 6 qt
Total:front........................... 22 qt .... 28 qtrear ............................ 22 qt .... 22 qt
CYCLE TIME621B XT 721B XT
Raise (with ratedbucket load) .................. 5.7........ 5.9
Dump (with ratedbucket load) .................. 1.7........ 2.0
Lower (empty,power down) ................. 5.0........ 5.1
Lower (empty,float down).................... 4.4........ 4.6
Total Cycle Time ........... 12.4...... 13.0NOTE: Above dimensions in seconds.
OPERATOR ENVIRONMENTFront cab glass areas and sloped rearhood offer maximum visibility to workarea. Easy-to-reach servo loadercontrols require low effort and shortthrow, fingertip operation. Five loadercontrol options are available tocustomize operation. An audible alarm,multi-level warning lights and liquidcrystal bar graphs alert operator toindividual function status.Transmission shifter features lever-controlled forward/ reverse, withtwist-grip range selection.Instrumentation monitors allindividual machine functions. Optionalanalog gauges include tachometer,voltmeter, engine oil pressure,transmission oil temperature. Apadded adjustable steering wheel and
DRIVELINE4 forward/3 reverse speed fullpowershift transmission. Electric twist-grip range selector lever on steeringcolumn. Semi-automatic shifting forupshifts and downshifts.
CYLINDERSDiameter Stroke Rod
LOADERLift (2) ........ 5.0"........ 32.8"....... 3.0"Dump (1) .... 4.5"........ 39.4"....... 2.3"
STEERING (ARTICULATION) (2)................ 3.0"........ 17.4"....... 1.8"
NOTE: Above dimensions apply to both the 621BXT and 721B XT.
621B/721B XT Page 2 of 4
DIMENSIONS AND PERFORMANCE DATA W/BUCKETS W/ PRO SERIES 2000 COUPLER621B XT 721B XT
EXCAVATING EXCAVATING EXCAVATING EXCAVATING2.25 YD3 2.50 YD3 2.50 YD3 2.75 YD3
SAE Heaped capacity ............................... 2.27 yd3.................... 2.58 yd3 .......................... 2.58 yd3.................... 2.74 yd3
SAE Struck capacity ................................. 1.94 yd3.................... 2.24 yd3 .......................... 2.24 yd3.................... 2.37 yd3
Bucket weight (includes coupler) ............. 2,677 lb ................... 2,827 lb .......................... 2,827 lb ................... 2,908 lb
Bucket width................................................... 103" ......................... 103" ................................ 103" ......................... 103"
Loader clearance circle, bucket at carry ...... 38'2" ........................ 38'4" ............................... 38'4" ........................ 38'5"
SAE Breakout force ................................ 26,784 lb ................. 24,668 lb ........................ 30,768 lb ................. 29,247 lb
SAE Tipping load - straight*.................. 16,315 lb ................. 15,927 lb ........................ 19,040 lb ................. 19,038 lb
SAE Tipping load - at 40°turn*.............. 13,649 lb ................ 13,291 lb ........................ 15,674 lb ................. 15,655 lb
SAE Operating load.................................. 6,824 lb ................... 6,646 lb .......................... 7,837 lb ................... 7,828 lb
SAE Operating weight*.......................... 27,310 lb ................. 27,460 lb ........................ 29,640 lb ................. 29,721 lb
Overall length ................................................ 23'4" ........................ 23'7"............................... 23' 7" ........................ 23'9"
Overall height ................................................ 16'5" ...................... 16'10" ............................. 16'10" ...................... 16'11"
Dump clearance @ full height - 45°................. 9'9" .......................... 9'7" ................................. 9'7" .......................... 9'5"
Bucket reach @ full height - 45° ................... 39.9" ........................... 42" .................................. 42" ........................ 43.4"
Bucket reach @ 7' - 45° .................................. 62.5" ........................ 63.6" ............................... 63.6" ........................ 64.3"
Dig depth below groundline ............................ 5.3" .......................... 5.3" ................................. 5.5" .......................... 5.5"*For selected option changes, adjust operating weight and tipping loads as shown in the table below.
SELECTED OPTIONS—BUCKETS W/PRO SERIES 2000 COUPLER621B XT 721B XT
WEIGHT TIPPING LOAD WEIGHT TIPPING LOADADJUSTMENTS ADJUSTMENTS ADJUSTMENTS ADJUSTMENTS
lb 40° Turn lb 40° Turn
20.5 x 25 12PR L2 (bias, dirt) .............................. 0............................... 0 ..................................... 0............................... 0
20.5 x 25 12PR L3 (bias, rock)....................... +328 ........................ +546 ............................... +328 ........................ +628
20.5 x 25 16PR L2 (bias, dirt).......................... +56 ........................ +194 ................................. +56 ........................ +247
20.5 x R24 XRA TG✩ (radial) ...........................-104 ........................ +140 ................................ -104 ........................ +181
20.5 x R25 XHA TL✩ (radial, rock) ................ +480 ........................ +311 ............................... +480 ........................ +307
20.5 x R25 XTLA TL✩ (radial, all soil) .......... +100 ........................... -72 ............................... +100 ......................... -123
17.5 x 25 12PR L2 (bias, dirt)...................... -1,056 ......................... -425 ................................ -768 ......................... -227
17.5 x 25 12PR L3 (bias, rock)........................ -848 ......................... -287 ................................ -560 ......................... -111
17.5 x R25 XHA TL✩ (radial, rock) ................. -692 ......................... -160 ................................ -404 ........................ +228
17.5 x R25 XTLA TL✩ (radial, all soil) ........... -916 ......................... -342 ................................ -628 ........................... -44
ROPS canopy .................................................. -295 ......................... -207 ................................ -295 ......................... -201
621B XT Spec loader is fully serviced unit that includes all standard equipment, 2.25 yd3 bucket w/coupler, 20.5 x 25 12PR L2 tires, ROBS cab w/heater andA/C,2500 lb counterweight and 175 lb operator.
721B XT Spec loader is fully serviced unit that includes all standard equipment, 2.75 yd3 bucket w/coupler, 20.5 x 25 12PR L2 tires, ROPS cab w/heater and A/C,3400 lb counterweight and 175 lb operator.
Note: Ballast is not recommended. Coupler weights for 621B ST are for 2.25 yd3 and 2.5 yd3 buckets.
621B/721B XT Page 3 of 4
DIMENSIONS AND PERFORMANCE DATA W/ MATERIAL HANDLING BOOM/JIB W/ COUPLER621B XT 721B XT
RETRACTED EXTENDED RETRACTED EXTENDEDLength (coupler pivot pin to hook) ................ 94.3' ...................... 144.3" ............................... 94.3" ...................... 144.3"Reach (maximum) boom level ..................... 11'10" ........................ 16'0" ............................. 11'11" .........................16'1"Clearance – hook to ground
(maximum reach) ......................................... 6'7" .......................... 6'7" ................................. 6'6" .......................... 6'6"Clearance – hook to ground – lift cylinder full extended
w/ 45° rollback ............................................ 18'6" ........................ 21'5" ............................... 18'5" ........................ 21'5"Below ground level – lift cylinder
fully retracted ............................................... 4'7" .......................... 7'3" ................................. 4'7" .......................... 7'3"Weight of boom (includes coupler) ............1,756 lb ................... 1,756 lb .......................... 1,756 lb ................... 1,756 lbTipping load – straight ............................. 8,633 lb ................... 6,682 lb ........................ 10,294 lb ................... 7,977 lb
– 40° turn ............................................... 7,353 lb ................... 5,693 lb .......................... 8,657 lb ................... 6,713 lbOperating load .......................................... 4,121 lb ................... 3,668 lb .......................... 4,328 lb ................... 3,356 lbClearance circle – arm in carry position
– hinge pin @ 20"– boom level ................................................ 37'1" ........................ 43'4" ............................... 37'1" ........................ 43'4"– 15° rollback .............................................. 36'7" ........................ 42'6" ............................... 36'7" ........................ 42'6"– full rollback............................................ 32'11" ........................ 36'4" ............................. 32'11" ........................ 36'4"
Operating weight .................................... 26,389 lb ................. 26,389 lb ........................ 28,569 lb ................. 28,569 lb*For selected option changes, adjust operating weight and tipping loads as shown in the table.
621B XT Spec loader is fully serviced unit that includes all standard equipment, material handling arm, 20.5 x 25 12PR L2 tires, ROPS cab w/heater & A/C,2,500 lb counterweight and 175 lb operator.
721B XT Spec loader is fully serviced unit that includes all standard equipment, material handling arm, 20.5 x 25 12PR L2 tires, ROPS cab w/heater and A/C,3,400 lb counterweight and 175 lb operator.
621B XT – MATERIAL HANDLING BOOM SELECTED OPTIONSRETRACTED EXTENDED
Operating Weight Tipping Load Operating Weight Tipping LoadAdjustments Adjustments Adjustments Adjustments
lb 40° Turn lb 40° Turn20.5 x 25 12PR L2 ................................................ 0............................... 0 ..................................... 0............................... 020.5 x 25 12PR L3.......................................... +328 ........................ +196 ............................... +328 ........................ +14520.5 x 25 16PR L2............................................ +56 .......................... +58 ................................. +56 .......................... +4220.5 x R24 XRA TG✩ ....................................... -104 .......................... +27 ................................ -104 ........................ +12120.5 x R25 XHA TL✩ ...................................... +480 ........................ +156 ............................... +480 ........................ +12120.5 x R25 XTLA TL✩ .................................... +100 ............................ +1 ............................... +100 ............................ +517.5 x 25 12PR L2........................................ -1,056 ......................... -260 ............................. -1,056 ......................... -20617.5 x 25 12PR L3........................................... -848 ......................... -188 ................................ -848 ......................... -14917.5 x R25 XHA TL✩ ....................................... -692 ......................... -131 ................................ -692 ......................... -10617.5 x R25 XTLA TL✩ ..................................... -916 ......................... -213 ................................ -916 ......................... -169ROPS canopy .................................................. -295 ......................... -111 ................................ -295 ........................... -87
721B XT – MATERIAL HANDLING BOOM SELECTED OPTIONSRETRACTED EXTENDED
Operating Weight Tipping Load Operating Weight Tipping LoadAdjustments Adjustments Adjustments Adjustments
lb 40° Turn lb 40° Turn20.5 x 25 12PR L2 ................................................ 0............................... 0 ..................................... 0............................... 020.5 x 25 12PR L3.......................................... +328 ........................ +215 ............................... +328 ........................ +15820.5 x 25 16PR L2............................................ +56 .......................... +70 ................................. +56 .......................... +4920 x R24 XRA TG✩ .......................................... -104 .......................... +36 ................................ -104 .......................... +2420.5 x R25 XHA TL✩ ...................................... +480 ........................ +154 ............................... +480 ........................ +12020.5 x R25 XTLA TL✩ .................................... +100 ........................... -13 ............................... +100 ............................. -517.5 x 25 12PR L2........................................... -768 ......................... -172 ................................ -768 ......................... -13817.5 x 25 12PR L3........................................... -560 ......................... -103 ................................ -560 ........................... -8417.5 x R25 XHA TL✩ ....................................... -404 ............................ +7 ................................ -404 ............................. -417.5 x R25 XTLA TL✩ ..................................... -628 ........................... -95 ................................ -628 ........................ +180ROPS canopy .................................................. -295 ......................... -111 ................................ -295 ........................... -87Note: Use of rear tire ballast is not recommended.
621B/721B XT Page 4 of 4
IMPORTANT: Case Corporation reserves theright to change these specifications withoutnotice and without incurring any obligationrelating to such change.
CASE CORPORATION700 STATE STREETRACINE, WI 53404 U.S.A.
CASE CANADA CORPORATION3350 SOUTH SERVICE ROADBURLINGTON, ON L7N 3M6 CANADA
© 1995 CASE CORPORATIONPrinted in U.S.A.
CASE is a Registered Trademark of CASE CORPORATION
SELECTED OPTIONS—FORKS621B XT 721B XT
WEIGHT TIPPING LOAD WEIGHT TIPPING LOADADJUSTMENTS ADJUSTMENTS ADJUSTMENTS ADJUSTMENTS
lb 40° Turn lb 40° Turn20.5 x 25 12PR L2 ................................................ 0............................... 0 ..................................... 0............................... 020.5 x 25 12PR L3.......................................... +328 ........................ +326 ............................... +328 ........................ +36820.5 x 25 16PR L2............................................ +56 ........................ +105 ................................. +56 ........................ +13020.5 x R24 XRA TG✩ ....................................... -104 .......................... +61 ................................ -104 .......................... +8220.5 x R25 XHA TL✩ ...................................... +480 ........................ +228 ............................... +480 ........................ +22620.5 x R25 XTLA TL✩ .................................... +100 ........................... -18 ............................... +100 ........................... -4517.5 x 25 12PR L2........................................ -1,056 ........................ -358 ................................ -768 ......................... -22217.5 x 25 12PR L3........................................... -848 ......................... -254 ................................ -560 ......................... -12717.5 x R25 XHA TL✩ ....................................... -692 ......................... -166 ................................ -404 .......................... +6517.5 x R25 XTLA TL✩ ..................................... -916 ......................... -292 ................................ -628 ........................ +102ROPS canopy .................................................. -295 ......................... -160 ................................ -295 ......................... -157621B XT Spec loader is fully serviced unit that includes all standard equipment, 48" forks w/coupler, 20.5 x 25 12PR L2 tires, ROBS cab w/heater & A/C, 2500 lb
counterweight and175 lb operator.
721B XT Spec loader is fully serviced unit that includes all standard equipment, 48" forks w/coupler, 20.5 x 25 12PR L2 tires, ROPS cab w/heater and A/C, 3400lb counterweight and 175 lb operator.
DIMENSIONS AND PERFORMANCE DATA W/FORKS W/ PRO SERIES 2000 COUPLER621B XT 721B XT
Fork clearance – Ground to top of tine.................................. 11'10" ........................................................................... 11'10"Fork reach – maximum............................................................ 63.4"............................................................................. 63.4"Overall height ........................................................................... 13'9" ............................................................................. 13'9"Fork tine size ............................................................. 2.5" x 6" x 48" .............................................................. 2.5" x 6" x 48"Weight – Fork attachment and forks (includes coupler) ... 1,849 lb ........................................................................ 1,849 lbFork width (maximum)
Outside to outside of tine...................................................... 58.8" ............................................................................ 58.8"Fork load center........................................................................... 24" ............................................................................... 24"SAE tipping load – straight .............................................. 12,577 lb ...................................................................... 14,971 lb
– 40° turn ........................................................................ 10,672 lb ...................................................................... 12,535 lbSAE Operating load............................................................. 5,336 lb ........................................................................ 6,268 lbClearance circle – forks in carry position.............................. 37'11" ........................................................................... 37'11"SAE operating weight ....................................................... 26,482 lb ...................................................................... 28,662 lbFor selected option changes, adjust operating weight and tipping loads as shown in the table below.
TRAVEL/WORK SPEEDS MPH621B XT
1st 2nd 3rd 4thForward .. 4.1 ..... 6.9 ..... 14.6 ..... 20.6Reverse ... 4.2 ..... 7.0 ..... 15.0....... __NOTE: Engine at full throttle, 20.5 x 25 tires.
721B XT1st 2nd 3rd 4th
Forward .. 4.5 ..... 7.4...... 14.2 ..... 22.2Reverse ... 4.5 ..... 7.4...... 14.2....... __NOTE: Engine at full throttle, 20.5 x 25 12PR L2tires
STEERING/ARTICULATION621B XTStop-to-stop turning ratio is 4.0 turns.Outside turning radius of tires is 17'w/20.5 x 25 tires. 40° articulation.
721B XTStop-to-stop turning ratio is 4.0 turns.Outside turning radius of tires is 17'3"w/20.5 x 25 tires. 40° articulation.
