John Deere 644H User's Manual
Contents
1. zo y Um um poe E m ow Fi men mom Emnrermeom im y t mw 3 RITU Uem jm me x Deist 0700 mestre traen or char 28 150 li zin m m 8 imu Em m E EE Emm m m zm mw E Um ue EX m E EE A A A E 15e LEN m m T M ee Ui eS MUERE LONE SUE Te EE PEE naan BA ER RR2. 7 cu yd 2 8 m 37 cu yd 2 8 m 3 9 cu yd 3 0 m 3 0 cu yd 2 3 m 3 0 cu yd 2 3 m 4 2 in 2900 mm 114 2 in 2900 mm 114 2 in 2900 mm 114 2 in 2900 mm 114 2 in 2900 mm 407 Ib 15 604 kg 34 407 10 15 604 kg 33 961 10 15 402 kg 39 183 Ib 17 770 kg 39 183 Ib 17 770 kg 31 210 10 14 154 kg 31 044 Ib 14 079 kg 31 150 Ib 14 127 kg 31 946 Ib 14 488 kg 31 783 Ib 14 414 kg 281 Ib 11 919 kg 26 118 Ib 11 845 kg 26 215 Ib 11 889 kg 26 941 Ib 12 218 kg 26 784 Ib 12 147 kg 65 7 in 1668 mm 67 6 in 1718 mm 66 2 in 1681 mm 63 3 in 1609 mm 65 6 in 1665 mm 42 2 in 1071 mm 46 2 in 1174 mm 42 8 in 1087 mm 37 9 in 962 mm 41 9 in 1064 mm 5 8 in 2942 mm 111 9 2841 mm 1157in 2938mm 120 2 in 3052mm 116 2 in 2951 mm ft 5in 8045 mm 26 ft 8 in 8197 26 ft 5in 8055 mm 25 ft 8 in 7880 mm 26 ft 4 in 8032 mm Radial 582 Ib 264 kg 402 Ib 182 kg 344 Ib 156 kg Dimensions with Quick Coupler BUCKET Dump clearance see page 11 B Dump reach see page 11 C Maximum digging depth 5 in 63 mm D Height to hinge pin fully raised 13 ft 7 in 4144 mm E Overall length A A see page 11 Maximum rollback boom fully raised 55 degrees G Maximum bucket dump angle fully raised 45 degrees Max
3. G Height to hinge pin fully raised 13 ft 7 in 4144 mm B Height to top of exhaust 11 ft 0 in 3353 mm Dump reach see page 10 Ground clearance 18 1 in 461 mm Maximum digging depth 2 7 in 69 mm D Length from centerline to front axle 63 in 1600 mm J Overall length AAA see page 10 E Wheelbase 126 in 3200 mm Maximum rollback at ground level 40 degrees F Dump height A see page 10 Pin on Type Bucket Information 644H Stockpiling and Stockpiling and General Purpose General Purpose Stockpiling and General Excavating Excavating w Teeth Bucket Type Size w Bolt on Edge w Teeth and Segments Purpose wJagz w Bolt on Edge and Segments Capacity heaped SAE Capacity struck SAE Bucket width Breakout force SAE J732C Tipping load straight Tipping load 40 degree full turn SAI Reach 45 degree dump 7 ft 2 13 m Clearance AA Reach 45 degree dump full height A Dump clearance 45 degree full height AAA Overall length bucket on ground Loader clearance circle bucket in carry position 42 3 12 875 mm 42ft7in 12978 42ft3in 12880 mm 41ft 11in 12775 mm 42ft 3in 12 867 mm Operating weight 876 Ib 17 631 kg 39 004 Ib 17 689 kg 38 971 Ib 17 674 kg 38 605 Ib 17 508 kg 38 733 Ib 17 566 kg Loader operating information
4. is based on machine with all standard equipment 23 5 R 25 GP 2B radial tires standard counterweight ROPS FOPS cab 175 10 79 kg operator and full fuel tank This information is affected by tire size ballast and different attachments Adjustments to Operating Weights with Pin on Buckets Adjustments to operating weights and tipping loads for 4 25 cu yd 3 3 m general purpose bucket with bolt on cutting edge bucket weight is 3 554 Ib 1612 kg Add or deduct Ib kg as indicated Tipping Load 40 for loaders with Operating Weight Tipping Load Straight Degree Full Turn 20 5 R 25 XHA 1 Star L2 Michelin Radial 1 641 lb 744 kg 1 132 Ib 513 kg 968 Ib 439 kg 23 5 25 12 PR L2 1 464 Ib 664 kg 1 010 lb 458 kg 864 Ib 392 kg 23 5 25 20 PR L3 309 Ib 140 kg 213 Ib 97 kg 182 Ib 83 kg 281 26 14 PR LS2 88 Ib 40 kg 61 Ib 28 kg 82 lb 24 kg 23 5 R 25 GP 2B 1 Star L2 Goodyear Radial 0 Ib 0 kg 0 Ib 0 kg 010 0 kg 23 5 R 25 VMT 1 Star L3 Firestone Radial 926 Ib 420 kg 63916 290 kg 54610 248 kg 23 5 R 25 VUT 1 Star L2 Firestone Radial 141 Ib 64 kg 97 Ib 44 kg 83 Ib 38 kg 23 5 R 25 XHA 1 Star L3 Michelin Radial 106 Ib 48 kg T3 Ib 33 kg 62 Ib 28 kg 650 65 R 25 XLD 1 Star L3 Michelin 4 25 cu yd 3 3 m 4 25 cu yd 3 3 m 4 5 cu yd 34 m 3 5 cu yd 2 7 m 3 5 cu yd 2 7 m
5. 5 VMT 1 Star L3 Firestone Radial 235 25 VUT 1 Star L2 Firestone Radial 235 R25 XHA 1 Star L3 Michelin Radial 650 65 R 25 XLD 1 Star L3 Michelin Radial Operating Weight 1 641 Ib 744 kg 1 464 Ib 664 kg 309 Ib 140 kg 88 Ib 40 kg Ib 0 kg 926 Ib 420 kg 141 Ib 64 kg 106 Ib 48 kg 582 Ib 264 kg Tipping Load Straight 1 132 Ib 513 kg 1 010 Ib 458 kg 213 lb 97 kg 61 Ib 28 kg 0 Ib 0 kg 639 Ib 290 kg 97 Ib 44 kg 73 Ib 33 kg 402 Ib 182 kg Information with Utility Fork and Quick Coupler Tipping Load 40 Degree Full Turn SAE 968 Ib 439 kg 864 Ib 392 kg 182 Ib 83 kg 52 lb 24 kg 0 lb 0 kg 546 ID 248 kg 83 lb 38 kg 62 Ib 28 kg 344 Ib 156 kg A Tine Length AA Overall length Tipping load straight fork level load centered on tine Tipping load 40 degree full tum fork level load centered on tine Operating weight Bucket Selection Guide 60 in 1525 mm 28 ft 4 in 8641 mm 22 782 Ib 10 334 kg 19 206 Ib 8712 kg 8 854 Ib 17 621 kg 72 in 1829 mm 29 ft 4 in 8946 mm 22 603 Ib 10 252 kg 19 029 Ib 8632 kg 39 051 Ib 17 710 kg FI m is E E
6. EN JOHN DEERE SPECIFICATIONS LOADER 644H John Deere 6081H meets EPA Tier II non road emissions regulations 6 496 cu in 8 1 L 180 SAE net hp 134 kW 2 200 rpm 21 SAE net hp 165 KW 1 600 rpm 55 Ib ft 1020 Nm 1 300 rpm Rated power Peak power Net peak torque Net torque rise 5 Net power bulge 3 Fuel system high pressure common rail 3 to 7 5 gal hr 16 3 to 28 4 Uh 00 gal 379 L ill flow spin on filter and integral cooler turbocharged charge air cooled dual element dry type restriction indicator for service ydraulically driven fan aft of coolers rearward 4 volt with 55 amp alternator 150 CCA reserve capacity 200 min standard 1 400 CCA reserve capacity 200 min optional Fuel consumption typical Fuel tank capaci Lube system Batteries two 12 voll Transmission ountershaft type power shift Type Converter ingle stage single phase torque converter Shift control lectronically modulated adaptive load and speed dependent Operator interface teering column mounted twist grip shift lever quick shift button on hydraulic lever Shift modes iuto manual auto to 1st or 2nd kick down or kick up down three clutch cutoff settings Travel speeds Forward Reverse Gear 1 6 mph 7 4 km h 4 9 mph 7 9 km h 5 mph 12 2 km h 8 0 mph 12 8 km h 4 7 m
7. c System Steering continued 644H Steering conforms to SAE J1511 power fully hydraulic Pressure Articulation angl Turning radius measured to centerline 3 600 psi 24 850 kPa relief 80 degree arc 40 degrees each direction of outside tire em 18 ft 0 in 5500 mm Tires Choice of Tread Width Width Over Tires Change In Vertical Height 20 5 25 XHA 1 Star L2 Michelin Radial 85 4 in 2170 mm 106 2 in 2697 mm 2 8in 71 mm 2815 25 12 PR 12 T 854 2170 mm 113 1 in 2874mm 1 5in 37 mm 23 5 25 20 PR L3 85 4 in 2170 mm 113 4 in 2881 mm 0 1 in 2 mm 281 26 14 PR LS2 89 4 2272 mm 117 6 in 2986 mm 0 4 in 11 mm 23 5 R 25 GP 2B 1 Star L2 Goodyear 59 85 4 2170 mm 113 2 2875 0 in 0 mm 23 5 25 VMT 1 Star L3 Firestone Radial E 85 4 in 2170 mm 106 3 in 2700 mm 0 1 in 2 mm 23 5 R 25 VUT 1 Star L2 Firestone Radial 85 4 in 2170 mm 106 4 in 2703 mm 02in 4mm 23 5 R 25 XHA 1 Star L3 Michelin Radial 85 4 2170 mm 109 1 in 2772 mm 1 2in 30 mm 650 65 R 25 XLD 1 Star L3 Michelin Radial 854in 2170 mm 110 0 in 2795 mm 3 1 in 79 mm Requires 9 degree axle stops Dimensions with Pin on Type Bucket A Height to top of cab and canopy 11 ft 2 in 3404 mm
8. imum rollback at ground level 39 degrees Allied attachments ordered through John Deere dealers PALLET FORK Reach fully raised Fork height fully raised Maximum reach fork level Fork height maximum reach Reach ground level ft 1 in 642 mm 2 ft 11 in 3929 mm ft 1 in 1537 mm ft 1 in 1848 mm 3 ft 925 mm gt Depth below ground in 49 mm Tine length A see page 11 Overall lengtt A see page 11 Allied attachments ordered through John Deere dealers 10 644H LOADER WITH QUICK COUPLER AND PALLET FORK Quick Coupler Information with Bucket 644 Stockpiling and Stockpiling and General Purpose General Purpose Excavating Excavating w Teeth Bucket Type Size w Bolt on Edge w Teeth and Segments w Bolt on Edge and Segments Capacity heaped SAE Capacity struck SAE Bucket width Breakout force SAE J732C Tipping load straight Tipping load 40 degree full turn SAE Reach 45 degree dump clearance AA Reach 45 degree dump full height A Dump clearance 45 degree full height AAA Overall length bucket on ground Loader clearance circle bucket in Operating weight Loader operating information is based machine with all standard equipment 23 5 R 25 GP 2B radial tires standard counterweight ROPS FOPS cab 175 10 79 kg operator Qum 25 cu yd 3 3
9. m 8 cu yd 2 9 m 114 2 in 2900 mm 28 976 Ib 13 141 kg 9 121 Ib 13 207 kg 2 ft 9 in 13 018 mm 0 224 Ib 18 242 kg 4 25 cu yd 3 3 m 3 8 cu yd 2 9 m 114 2 in 2900 mm 28 976 Ib 13 141 kg 28 958 Ib 13 133 kg 24 235 Ib 10 991 kg 63 8 in 1620 mm 48 1 in 1222 mm 102 5 in 2603 mm 27 ft 7 in 8418 mm 43 ft 13 118 mm 40 349 Ib 18 299 kg and full fuel tank This information is affected by tire size ballast and different attachments 35 cu yd 2 7 m 3 1 cu yd 2 4 m 114 2 in 2900 mm 32 786 Ib 14 869 kg 29 820 Ib 13 524 kg 25 040 Ib 11 356 kg 3 5 cu yd 2 7 m 3 1 cu yd 2 4 m 114 2 in 2900 mm 32 786 Ib 14 869 kg 29 510 Ib 13 383 kg 24 733 lb 11 217 kg 67 0 in 1701 mm 442 in 1122 mm 114 5 in 2908 mm 26 ft 7 in 8101 mm 68 9 in 1750 mm 48 2 in 1225 mm 110 5 in 2807 mm 27 ft 1 in 8253 mm 42ft 5 in 12 916 mm 39 791 Ib 18 046 kg 42 ft 8 in 13 012 mm 40 089 Ib 18 181 kg Adjustments to Operating Weights for Quick Coupler with Bucket Adjustments to operating weights and tipping loads for 4 25 cu yd 3 3 m stockpiling bucket with bolt on cutting edge Add or deduct Ib kg as indicated for loaders with 20 5 R 25 XHA 1 Star L2 Michelin Radial 23 5 25 12 PR L2 23 5 25 20 PR L3 281 26 14 PR 152 23 5 R 25 GP 2B 1 Star L2 Goodyear 235 R 2
10. ph 23 6 km h 15 5 mph 24 9 km h 22 0 mph 35 4 km h Equipped with 23 5 R 25 radial tires Axles Brakes heavy duty inboard planetary conventional front and rear standard hydraulic locking front conventional rear optional dual locking front and rear optional limited slip front and rear optional Rear axle oscillation stop to stop Brakes conform to SAE J1473 503450 Service brakes Parking brake ydraulically actuated inboard carrier mounted pressure oil cooled self adjusting multi disc utomatically spring applied hydraulically released oil cooled multi disc Hydraulic System Steering Pump loader and steering Maximum flow Pressure Loader controls Jariable displacement axial piston pump closed center pressure compensating system 68 gpm 257 L m 1 000 psi 6895 kPa and 2 200 rpm loader and steering relief 3 600 psi 24 850 kPa two function valve single and dual lever controls control lever lockout feature optional third and fourth function valve with auxiliary lever Hydraulic cycle times 6 2 sec Raise Dump A sec Lower 3 0 sec float down 3 5 sec power down 10 6 sec With 4 25 cu yd 3 3 mr stockpiling and general purpose bucket with bolt on cutting edge 34 166 Ib 15 495 kg 20 226 Ib 9173 kg Total Maximum lift capacity Lift at ground level Lift at maximum height Hydrauli
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