John Deere 850C LT User's Manual
Contents
1. C SERIES 11 SPECIFICATIONS mari SOs TRU Coa Engine 850C Type John Deere 6081A with altitude compensating turbocharger aftercooled Engine power 185 SAE net hp 138 kW 192 SAE gross hp 143 kW 1 800 rpm Cylinders 6 Displacement Fuel consumption typical Maximum net torque Lubrication Air cleaner Electrical system Cooling fan Transmission automatic dual path hydrostatic drive load sensing feature automatically adjusts speed and power to match changing load conditions each individually controlled track is powered by a variable displace ment piston pump and motor combination travel speeds forward and reverse infinite to 6 8 mph 0 to 11 km h ground speed selection buttons on single lever steering and direction control inde pendently selectable reverse speed ratios 80 100 115 or 130 of forward ground speed decelerator pedal controls ground speed to dead stop 494 cu in 8 1 L 4 6 to 7 0 gal hr 17 4 to 26 5 L h 601 Ib ft 815 Nm 1 300 rpm pressure system with full flow spin on filter and oil to water cooler dual stage dry type with safety element precleaner and underhood restriction indicator 24 volt with 45 amp alternator blower Final Drives double reduction planetary final drives transfer torque loads over three gear sets mounted independently of track frames and dozer push frames for isolation2. bar grouser tracks Dura Trax lubri cated chain with split master link for 850C LGP Semi U blade A 36 5 in 928 mm swamp shoe tracks Dura Trax lubricated chain with split master link N A with PAT blade AA Bolt on full length rock guards Lights A A A A Two front driving working and one rear working halogen 33 000 candle power 375 737 lux each Operator s Station Built in diagnostics Fault code retrieval Onboard diagnostics for monitors controller s wiring gauges sensors etc Built in Operator s Manual storage compartment and manual A A Cab Air conditioning 33 000 Btu Fresh air intake heater pressurizer 400 CFM 40 000 Btu hr 11 7 kW conforms to SAE J1503 J1535D Front window and two door wind shield wipers washers Deluxe suspension vinyl seat Adjustable armrests thigh support backrest height weight and fore aft conforms to SAE J899 Deluxe suspension cloth seat Deluxe air suspension vinyl and cloth seat GO GO Electronic monitor system with audi ble and visual warning Air restric tion Coolant temperature Engine oil pressure Ether injection on Fasten seat belt Hydraulic filter restriction Low alternator voltage Transmission filter restriction Trans mission malfunction Transmission return to neutral Transmission tem perature Engine rpm digital display selectable 0000 Floorma
3. selectable GO Interior mounted rearview mirror conforms to SAE J985 Key start switch with electric fuel shutoff Lunch box storage Modular design ROPS FOPS canopy conforms to SAE J1040 Parking brake single lever activation AA A A Protection package full vehicle Brush screens heavy duty Guards tank protection Limb risers arched Reverse ratio user selectable at 80 100 115 or 130 of for ward speed Seat belt 3 in 76 mm with retrac tors conforms to SAE J386 GO Single lever steering direction and ground speed control with selectable ground speed and horn controls inte grated in T handle Tool storage lockable Voltmeter digital display selectable Overall Vehicle Front tow hook Heavy duty hinged bar type grille Perforated engine side shields Rear service doors lockable Reverse alarm Switchable to 97 dB A or 111 dB A conforms to SAE J994 J1446 GO Vandal protection Engine access door Fuel tank cap Rear service doors Instrument panel AA A Cupped end bits except All Hydraulic PAT dozer blades A A Straight end bits All Hydraulic PAT dozer blade included in SAE operating weight Semi U High Production dozer blade included in SAE operating weight Tilt cylinder hose protection Blade trash rack A A A Environm
4. to exhaust stack swamp shoes with grousers Moderate duty Extreme duty 8500 ae 124 0 in 3151 mm 124 8 in 3170 mm 2 6 in 65 mm 2 8 in 72 mm 16 in 406 mm 850C WT 124 0 in 3151 mm 124 8 in 3170 mm 2 6 in 65 mm 16 in 406 mm 850C WXLT 124 0 in 3151 mm 124 8 in 3170 mm 2 6 in 65 mm 16 in 406 mm 850C LGP 124 0 in 3151 mm 124 8 in 3170 mm 2 6 in 65 mm 3 7 in 93 mm 16 in 406 mm D Blade width Blade height F Blade lift height G Blade dig H Blade tilt Overall J Overall width ging depth uses tilt jack length with blade with blade angled 850C LT All Hydraulic PAT Dozer 146 0 in 48 3 in 38 0 in 33 4 in 19 0 in 203 1 in 131 6 in 3708 mm 1227 mm 962 mm 849 mm 482 mm 5160 mm 3343 mm Semi U High Production 128 3 in 56 5 in 43 3 in 20 2 in 28 7 in 207 1 in N A 3259 mm 1435 mm 1100 mm 513 mm 730 mm 5262 mm Optional extended drawbar adds 10 1 253 mm Optional extended drawbar adds 8 9 223 mm 850C WT All Hydraulic Dozer PAT 158 0 in 48 3 in 38 0 in 33 4 in 20 5 in 203 1 in 1424 in 4013 mm 1227 mm 962 mm 849 mm 522 mm 5160 mm 3618 mm Semi U High Production 140 0 in 56 5 in 43 3 in 20 2 in 34 6 in 207 1 in N A 3556 mm 1435 mm 1100 mm 513 mm 878 mm 5262 mm Optional extended drawbar adds 8 9 in 223 mm Optional extended drawbar adds 7 in 17
5. from shock loads Steering single lever steering direction and ground speed control provides smooth metered turns full power turns counterrotation and infinitely variable track speeds provide unlimited maneuverability and optimal control hydrostatic steering system eliminates steering clutches and brakes Brakes hydrostatic dynamic braking stops machine when the direction steering control lever is moved to neutral the decelerator is depressed to the end of travel or the brake pedal is depressed Automatic Parking Brake this safety feature engages wet multiple disk brakes automatically whenever the engine stops the operator applies the brake pedal or the neutral start lever lock is in stop position machine cannot be operated with brake applied Hydraulic System System type Pressure system relief eel Open center 2 250 psi 15 514 kPa Qear 44 gpm 166 L min 2 100 rpm 10 micron Standard T bar two function with All Hydraulic PAT dozer blade T bar three function Filter return oil Control Cylinders heat treated chrome plated polished cylinder rods with hardened steel replaceable bushings pivot pins inp oil to air heat exchanger Capacities U S 850C LT 850C WT 850C WXLT 850C LGP Fuel tank with lockable cap 92 gal 348 L 92 gal 348 L 92 gal 348 L 92 gal 348 L Cooling system with recovery tank 9 gal 34 L 9 gal 34 L 9 gal 3
6. kg 44 369 Ib 20 126 kg 44 582 Ib 20 222 kg Semi U High Production 40 485 Ib 18 402 kg 41 070 Ib 18 668 kg N A 42 048 Ib 19 113 kg Refer to the Attachment Guide or see your dealer for details regarding Semi U Low Profile Straight and Mechanical Angle blades for the 850C LT and Straight blade for the 850C LGP Blade Weights Includes push beams trunnion mounts straight end bits C frames angle and tilt cylinders where applicable All Hydraulic PAT Dozer 6 094 Ib 2764 kg 6 253 Ib 2836 kg 6 389 Ib 2898 kg 6 521 Ib 2958 kg Semi U High Production 5 289 Ib 2404 kg 5 495 Ib 2498 kg N A 5 636 Ib 2562 kg Refer to the Attachment Guide or see your dealer for details regarding Semi U Low Profile Straight and Mechanical Angle blades for the 850C LT and Straight blade for the 850C LGP Blade Capacities Alt Hydra lic PAT 5 15 cu yd 3 94 m3 5 50 cu yd 4 21 m3 5 50 cu yd 4 21 m3 5 78 cu yd 4 42 m3 Sermni U High Production leen ESOS 7 44 cu yd 5 69 m3 8 06 cu yd 6 16 m3 N A 7 14 cu yd 5 46 m3 Refer to the Attachment Guide or see your dealer for details regarding Semi U Low Profile Straight and Mechanical Angle blades for the 850C LT and Straight blade for the 850C LGP Optional or Special Equipment Complete push beam assemblies for straight or semi U blades rakes Stingers etc Complete PAT dozer C frame assembly PA
7. 2 000 Ib 320 kN 35 200 Ib 156 kN 25 300 Ib 112 kN Standard Drawbar Extended Drawbar DRAWBAR PULL X 1000 Ib N kg 320 280 200 120 E Width Over Track M o N Cast Reach 850C LT WT WXLT and LGP CRAWLER SPEED VS GROUND PULL Usable pull will depend on traction and weight of tractor 850C Series II Dozer Key Standard equipment A Optional or special equipment LT WT wu Le Engine Air cleaner dual stage aspirated type Air cleaner restriction indicator Blower fan Coolant recovery tank Electric ether start aid Enclosed safety fan guard conforms to SAE J1308 Engine coolant 34 F 37 C Oil to water engine oil cooler Precleaner Spin on fuel filter Trash resistant radiator Turbocharger Underhood muffler with vertical exhaust stack Water separator A Engine coolant heater 1 000 watts 120 volts A Prescreener guard A Radiator sand screen A Reversible fan A Chrome exhaust stack Power Train 0000000 000000 02000000 000000 02000000 000000 GO Automatic applied hydrostatic released park brake pedal operated oil to air transmission cooler GO Dual path hydr
8. 4 L 9 gal 34 L Engine oil with spin on filter 34 qt 32 2 L 34 qt 32 2 L 34 qt 32 2 L Final drive each iet redUction rm icem nenes 3 25 gal 12 3 L Semi U 4 35 gal 16 5 L PAT 3 25 gal 12 3 L 21 gal 79 5 L 27 gal 102 2 L 34 qt 32 2 L 4 35 gal 16 5 L Semi U 10 0 gal 37 9 L PAT 3 25 gal 12 3 L 21 gal 79 5 L 27 gal 102 2 L 10 0 gal 37 9 L PAT 10 0 gal 37 9 L Semi U 10 0 gal 37 9 L PAT 3 25 gal 12 3 L 21 gal 80 L 27 gal 1031 3 25 gal 12 3 L 21 gal 79 5 L 27 gal 102 2 L 2nd reduction Hydraulic system reservoir Hydrostatic transmission reservoir Undercarriage seven roller track frame with front and rear track guides and sprocket guard John Deere Dura Trax features deep heat treated sealed and lubricated track links and through hardened sealed and lubricated rollers for maximum wear resistance sprockets are segmented extreme duty shoes are available on some models for severe applications AF sealed and lubed sealed and lubed sealed and lubed 24 in 610 mm 30 in 762 mm 30 in 762 mm sealed and lubed 38 in 965 mm base 34 in 865 mm PAT 40 43 43 6 480 sq in 41 806 cm 7 260 sq in 46 838 cm 9 196 sq in 59 329 cm base 8 228 sq in 53 084 cm PAT 4 6 psi 31 7 kPa Semi U 5 4 psi 37 2 kPa PAT Shoes each side Ground contact area 5 18
9. 4 sq in 33 445 cm 6 3 psi 43 4 kPa Semi U 6 7 psi 46 2 kPa PAT Ground pressure sas creciente rere meret tenter 7 8 psi 53 8 kPa Semi U 6 1 psi 42 0 kPa PAT 8 2 psi 56 5 kPa PAT Ground clearance minimum With single bar grouser excluding grouser height With swamp shoe including grouser height Length of track on ground Track gauge standard 16 0 in 406 mm 16 0 in 406 mm 16 0 in 406 mm 16 0 in 406 mm 19 0 in 483 mm base 121 in 3073 mm 88 in 2235 mm Semi U 92 in 2337 mm PAT 108 2743 mm in 2743 mm 74 in 1880 mm Semi U 80 in 2032 mm Semi U 82 in 2083 mm PAT 88 in 2235 mm PAT in 3073 mm 88 in 2235 mm PAT Oscillationratifront ollepi 6 degrees or 9 1 in 231 mm Semi U 6 degrees or 9 7 in 246 mm PAT Track rollers each side Track pitch 8 in 203 mm 6 degrees or 9 0 in 229 mm Semi U 7 degrees or 10 8 in 274 mm PAT 8 203 6 degrees or 10 4 264 T 8 in 203 mm 7 degrees or 12 5 in 318 mm Semi U 7 degrees or 12 8 in 325 mm PAT 7 8 in 203 mm SAE Operating Weights 850C LT 850C WT 850C WXLT 850C LGP Base weights were computed for units with standard equipment rollover protective structures full fuel tanks and 175 10 79 kg operators All Hydraulic PAT Dozer 42 418 Ib 19 241 kg 43 366 Ib 19 671
10. 6 mm 850C WXLT All Hydraulic Dozer PAT 158 0 in 48 3 in 40 7 in 35 2 in 20 5 in 218 5 in 142 4 in 4013 mm 1227 mm 1034 mm 893 mm 522 mm 5553 mm 3618 mm Optional extended drawbar adds 8 9 in 223 mm 850C LGP Semi U Low Profile and Straight blades available through Custom Engineering All Hydraulic PAT Dozer 168 0 in 48 3 in 40 7 in 35 2 in 21 8 in 218 5 in 152 0 in 4267 mm 1227 mm 1034 mm 893 mm 554 mm 5553 mm 3860 mm 144 in 3658 mm Semi U High Production 156 6 in 43 8 in 42 5 in 16 9 in 37 0 in 222 5 in N A 3978 mm 1113 mm 1080 mm 429 mm 940 mm 5651 mm Optional extended drawbar adds 8 9 in 223 mm With UR angle cylinder pins removed at blade K Blade angle L Cut reach M Width over track N Cast reach 0 Cutting edge angle 850C LT All Hydraulic PAT Dozer 25 degrees 4 5 in 113 m 106 in 2692 m 21 2 in 638 m 60 degrees 850C WT All Hydraulic PAT Dozer 25 degrees 3 9 in 98 m 118 in 2997 m 20 5 in 623 m 60 degrees 850C WXLT All Hydraulic PAT Dozer 25 degrees 3 9 in 98 m 118 in 2997 m 20 5 in 623 m 60 degrees 850C LGP All Hydraulic PAT Dozer 25 degrees 4 5 in 113 mm 126 in 3200 mm 21 2 in 638 mm 60 degrees Drawbar Pull 850C e ctl Ped At 1 2 mph 1 9 km h At 2 0 mph 3 2 km h UM 7
11. T dozer blade weight b 947 kg 2 192 Ib 996 kg N A 2 298 Ib 1045 kg b 1425 kg 3 141 Ib 1425 kg 3 277 Ib 1487 kg 3 277 Ib 1487 kg b 1339 kg 3 112 Ib 1411 kg 3 112 Ib 1411 kg 3 244 Ib 1471 kg Tracks Dura Trax lubricated chain with split master link Single bar grousers 22 in 560 mm moderate duty b 2619 kg 5 762 Ib 2619 kg N A N A 22 in 560 mm extreme duty b 2851 kg 6 273 Ib 2851 kg N A N A 24 in 610 mm moderate duty b 2743 kg 6 035 Ib 2743 kg N A N A 24 in 610 mm extreme duty b 3029 kg 6 665 Ib 3029 kg N A 7 164 Ib 3256 kg 30 in 760 mm moderate duty 6 824 Ib 3102 kg 7 336 Ib 3335 kg N A 34 in 865 mm moderate duty 7 776 Ib 3535 kg 38 in 965 mm moderate duty 8 349 Ib 3795 kg Swamp shoe 36 5 in 928 mm T m Eurus 11 492 Ib 5224 kg Cab with pressurizer and heater air conditioner 806 Ib 366 kg 806 Ib 366 kg 806 Ib 366 kg 806 Ib 366 kg 1 430 Ib 650 kg 1 430 Ib 650 kg 1 430 Ib 650 kg 1 430 Ib 650 kg Rock guard center section Ib 201 443 Ib 201 kg N A N A Drawbar rigid 112 Ib 51 kg 112 Ib 51 kg 112 Ib 51 kg 112 Ib 51 Drawbar extended rigid 282 Ib 128 kg 282 Ib 128 kg 282 Ib 128 kg 282 Ib 128 kg Limb risers ROPS canopy and c
12. ab 550 Ib 250 kg 550 Ib 250 kg 550 Ib 250 kg 550 Ib 250 kg Rear screen ROPS canopy 75 Ib 34 kg 75 Ib 34 kg 75 Ib 34 kg 75 Ib 34 kg Rear screen cab with air conditioner 110 Ib 50 kg 110 Ib 50 kg 110 Ib 50 kg 110 Ib 50 kg Side screens ROPS canopy and cab 70 Ib 32 kg 70 Ib 32 kg 70 Ib 32 kg 70 Ib 32 kg Cylinder hose guards 69 Ib 30 kg 65 Ib 30 kg 65 Ib 30 kg 65 Ib 30 kg Prescreener guard 15 Ib 7 kg 15 Ib 7 kg 15 Ib 7 kg 15 Ib 7 kg Track cleaner bars front 215 Ib 125 kg N A N A N A Track cleaner bars rear 450 Ib 205 kg N A N A N A Tank guard 1 100 Ib 500 kg 1 100 Ib 500 kg 1 100 Ib 500 kg 1 100 Ib 500 kg Lift cylinder guards 120 Ib 55 kg 120 Ib 55 kg 120 Ib 55 kg 120 Ib 55 kg Extreme service bottom guard 350 Ib 159 kg 350 Ib 159 kg 350 Ib 159 kg 350 Ib 159 kg Heavy duty transverse case cover with doors 944 Ib 429 kg 944 Ib 429 kg 944 Ib 429 kg 944 Ib 429 kg Grille housing mounted counterweight 1 592 Ib 724 kg 1 592 Ib 724 kg 1 592 Ib 724 kg 1 592 Ib 724 kg Included in SAE operating weight Also included in SAE operating weight 850C with PAT option 8 Not available with PAT option Dimensions Overall height to roof Overall height B Tread depth with single bar grousers Tread depth with C Ground clearance
13. ental fluid drains A A A Extended rigid drawbar with pin for pull type implements for 850C LT included in SAE operating weight A Heavy duty transverse case cover standard for WT with PAT blade A A A Perforated hood for trash envi ronments A A Rigid drawbar with pin standard for LT and WT with PAT blade for 850C WT 850C LGP included in SAE oper ating weight AAA Trash bars front and rear AA A Grille housing mounted counter weight N A with PAT blade 444 1 Specifications and design subject to change without notice Wherever applicable specifications are in accordance with SAE standards Except where otherwise noted these specifications are based on units with rollover protective structures full fuel tanks 175 Ib 79 kg operators and standard equipment
14. ostatic transmission GO Guard built in final drive seal Transmission neutral lock with starter safety switch Transmission diagnostic test ports A A A Remote transmission diagnostic test ports AA A A Winch drive Electrical Batteries two 160 min reserve capacity 950 CCA Bypass start safety cover at starter Master electrical disconnect switch lockable Hydraulic System Oil to air hydraulic cooler Lift cylinders 0 ring face seal fittings Quick drop hydraulic valve Semi U blade optional with All Hydraulic PAT dozer blade LT WT WXLT LEP Undercarriage continued AA 22 in 560 mm moderate duty single bar grouser tracks Dura Trax lub ricated chain with split master link AA 22 in 560 mm extreme duty single bar grouser tracks Dura Trax lubri cated chain with split master link 24 in 610 mm moderate duty single bar grouser tracks Dura Trax lubri cated chain with split master link for 850C LT AA 24 in 610 mm extreme duty single bar grouser tracks Dura Trax lubri cated chain with split master link N A for 850C PAT blade eo 30 in 760 mm moderate duty single bar grouser tracks Dura Trax lubri cated chain with split master link 34 in 865 mm moderate duty single bar grouser tracks Dura Trax lubri cated chain with split master link with PAT blade 38 in 965 mm moderate duty single
15. t A All Hydraulic PAT dozer blade with grille up loop plumbing Two spool hydraulic system Three spool hydraulic system stan dard with PAT blade A A Four spool hydraulic system with PAT blade A A Auxiliary hydraulic lines to rear Oil sampling test kit Undercarriage Chain guides Front idler and bolt on sprocket chain guides Sealed and lubricated chain Oscillating track frame system Pinned front track frame crossbar system JOHN DEERE DKA850CIl Litho in U S A 03 05 Net engine power is with standard equipment including air cleaner exhaust system alternator and cooling fan at standard conditions per SAE J1349 and DIN 62708 using No 2 D fuel at 35 API gravity No derating is required up to 10 000 ft 3050 m altitude Gross power is without cooling fan Also available winches fair leads log arches skidding grapples trash pack ages landfill protection packages cable plows side booms field installed cab for ROPS ROPS heater and fire suppression systems See your John Deere dealer for further information LT WT WXLTLG Operator s Station continued GO Fuel gauge electric illuminated Ground speed decelerator engine and transmission Headliner for ROPS FOPS Horn electric conforms to SAE J994 J1446 Hourmeter electric illuminated
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