John Deere 644H Compact Loader User Manual


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64411
Stockpilingand
GeneralPurpose
BucketType/Size w/Bolt-onEdge
Capacity,heapedSAE 4.25cu.yd.(3.3m3)
Capacity,struckSAE 3.7cu.yd.(2.8m3)
Bucketwidth 114.2in.(2900mm)
Breakoutforce,SAEJ732C 34,407lb.(15604kg)
Tippingload,straight 31,210lb.(14154kg)
Tippingload,40-degreefullturn,SAE 26,281lb.(11919kg)
Reach,45-degreedump,7-ft.(2.13m)
clearance 65.7in.(1668mm)
AA Reach,45-degreedump,fullheight 42.2in.(1071mm)
A Dumpclearance,45degree,fullheight 115.8in.(2942mm)
AAA Overalllength,bucketonground 26ft.5in.(8045mm)
Loaderclearancecircle,bucketin
carryposition 42ft.3in.(12875mm) 42ft.7in.(12978mm) 42ft.3in.(12880mm) 41ft.11in.(12775mm) 42ft.3in.(12867mm)
Operatingweight 38,876lb.(17631kg) 39,004lb.(17689kg) 38,971lb.(17674kg) 38,605lb.(17508kg) . 38,733lb.(17566kg)
Loaderoperatinginformationisbasedonmachinewithallstandardequipment;23.5R25,GP-2Bradialtires;standardcounterweight;ROPS/FOPScab;175-lb.(79kg)operator;
andfullfueltank.Thisinformationisaffectedbytiresize,ballast,anddifferentattachments.
Adjustments to Operatin~ Wei~hts with Pin-on Buckets
Adjustmentstooperatingweightsandtippingloadsfor4.25-cu.-yd.(3.3m3)general-purposebucketwithbolt-oncuttingedge;bucketweightis3,554lb.(1612kg)
Add(+)ordeduct(-)lb.(kg)asindicated TippingLoad,40-
forloaderswith OperatingWeight TippingLoad,Straight DegreeFullTurn
20.5R25,XHA1StarL2MichelinRadial 1,641lb.(- 744kg) -1,132Ib.(- 513kg) - 968lb.(- 439kg)
23.5-25,12PRL2 1,464lb.(-664kg) -1,010Ib.(-458 kg) -864 lb.(-392kg)
23.5-25,20PRL3 309lb.(-140kg) - 213lb.(- 97kg) -182Ib. (- 83kg)
28L-26,14PRLS2 +BBlb.(+40kg) + 61lb.(+28kg) +52lb.(+24kg)
23.5R25,GP-2B1StarL2Goodyear
Radial Olb.(0kg)
23.5R25,VMT1StarL3RrestoneRadial + 926lb.(+420kg)
23.5R25,WT1StarL2RrestoneRadial + 141lb.(+64kg)
23.5R25,XHA1StarL3MichelinRadial + 106lb.(+48kg)
650/65R25,XLD1StarL3Michelin
Radial 582lb.(- 264kg)
Dimensions wi th Quick-Coupler
BUCKET*
A Dumpclearance A (seepage11)
B Dumpreach AA (seepage11)
C Maximumdiggingdepth 2.5in.(63mm)
D Heighttohingepin,fullyraised 13ft;7in.(4144mm)
E Overalilength AAA (seepage11)
F Maximumrollback,boomfullyraised 55degrees
G Maximumbucketdumpangle,fully
raised 45degrees
H Maximumrollbackatgroundlevel 39degrees
'AlliedattachmentsorderedthroughJohnDeeredealers.
PALLETFORK*
A Reach,fullyraised 2ft.1in.(642mm)
B Forkheight,fullyraised 12ft.11in.(3929mm)
C Maximumreach,forklevel 5ft.1in.(1537mm)
D Forkheight,maximumreach 6ft.1in.(1848mm)
E Reach,groundlevel 3ft.(925mm)
F Depthbelowground 2.0in.(49mm)
G Tinelength A (seepage11)
H Overalilength AA (seepage11)
'AlliedattachmentsorderedthroughJohnDeeredealers.
Pin-on Type
Bucket Informs tion
Stockpilingand
GeneralPurpose
w/TeethandSegments
4.25cu.yd.(3.3m3)
3.7cu.yd.(2.8m3)
114.2in.(2900mm)
34,407lb.(15604kg)
31,044lb.(14079kg)
26,118lb.(11845kg)
67.6in.(1718mm)
46.2in.(1174mm)
111.9in.(2841mm)
26ft. 8 in.(8197mm)
0 lb.(0kg)
+ 639lb.(+290kg)
+ 97lb.(+44 kg)
+ 73lb.(+ 33kg)
- 402lb.(-182 kg)
StockpilingandGeneral
Purposew/Jagz'M
4.5cu.yd.(3.4m3)
3.9cu.yd.(3.0m3)
114.2in.(2900mm)
33,961lb.(15402kg)
31,150lb.(14127 kg)
26,215lb.(11889kg)
66.2in.(1681mm)
42.8in.(1087mm)
115.7in.(2938mm)
26ft. 5 in.(8055mm)
0 lb.(0kg)
+ 546lb.(+ 248kg)
+ 83lb.(+ 38kg)
+ 62lb.(+ 28kg)
- 344lb.(-156 kg)
Excavating
w/Bolt-onEdge
3.5cu.yd.(2.7m3)
3.0cu.yd.(2.3m3)
114.2in.(2900mm)
39,183lb.(17770kg)
31,946lb.(14488kg)
26,941Ib.(12218kg)
63.3in.(1609mm)
37.9in.(962mm)
120.2in.(3052mm)
25ft. 8 in.(7880mm)
Excavatingw/Teeth
andSegments
3.5cu.yd.(2.7m3)
3.0cu.yd.(2.3m3)
114.2in.(2900mm)
39,183lb.(17770kg)
31,783Ib.(14414kg)
26,784lb.(12147kg)
65.6in.(1665mm)
41.9in.(1064mm)
116.2in.(2951mm)
26ft. 4 in.(8032mm)
644HLOADERWITHQUICK-COUPLERANDBUCKET*
644HLOADERWITHQUICK-COUPLERANDPALLETFORK*
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