John Deere 850C WT - Manual (Page 5)

Net engine power is with standard equipment including air cleaner, exhaust
system, alternator, and cooling fan, at standard conditions per SAE J1349 and
DIN 6270B, 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.
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-lb. (79 kg) operators, and
standard equipment.
DKA850CII Litho in U.S.A. (03-05)
850C Series II Dozer
Key:
●
Standard equipment
▲
Optional or special equipment See your John Deere dealer for further information.
LT WT WXLT LGP 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
▲ ▲ ▲ ▲
Engine coolant heater, 1,000 watts,
120 volts
▲ ▲ ▲ ▲
Prescreener guard
▲ ▲ ▲ ▲
Radiator sand screen
▲ ▲ ▲ ▲
Reversible fan
▲ ▲ ▲ ▲
Chrome exhaust stack
Power Train
● ● ● ●
Automatic applied, hydrostatic-
released park brake, pedal operated
● ● ● ●
Oil-to-air transmission cooler
● ● ● ●
Dual-path hydrostatic transmission
● ● ● ●
Guard, built-in final drive seal
● ● ● ●
Transmission neutral lock with
starter safety switch
● ● ● ●
Transmission diagnostic test ports
▲ ▲ ▲ ▲
Remote transmission diagnostic test
ports
▲ ▲ ▲ ▲
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
● ● ● ●
“O” ring face seal fittings
● ● ● ●
Quick-drop hydraulic valve (Semi-U
blade) (optional with All-Hydraulic
[PAT] dozer blade)
▲ ▲ ▲ ▲
All-Hydraulic (PAT) dozer blade with
grille “up-loop” plumbing
● ● ● ●
Two-spool hydraulic system
● ● ● ●
Three-spool hydraulic system (stan-
dard with PAT blade)
▲ ▲ ▲ ▲
Four-spool hydraulic system (with
PAT blade)
▲ ▲ ▲ ▲
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
LT WT WXLT LGP Undercarriage (continued)
▲ ▲
22-in. (560 mm) moderate-duty single-
bar grouser tracks, Dura-Trax™ lub-
ricated chain with split master link
▲ ▲
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)
▲ ▲
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)
● ●
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-
bar grouser tracks, Dura-Trax lubri-
cated chain with split master link
(for 850C LGP Semi-U blade)
▲
36.5-in. (928 mm) swamp shoe tracks,
Dura-Trax lubricated chain with split
master link (N/A with PAT blade)
▲ ▲
Bolt-on full-length rock guards
Lights
▲ ▲ ▲ ▲
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
▲ ▲ ▲ ▲
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
● ● ● ●
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)
● ● ● ●
Floormat
LT WT WXLT LGP Operator’s Station (continued)
● ● ● ●
Fuel gauge, electric, illuminated
● ● ● ●
Ground-speed decelerator (engine
and transmission)
● ● ● ●
Headliner for ROPS/FOPS
● ● ● ●
Horn, electric (conforms to SAE
J994, J1446)
● ● ● ●
Hourmeter, electric, illuminated
(selectable)
● ● ● ●
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
▲ ▲ ▲ ▲
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)
● ● ● ●
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)
● ● ● ●
Vandal protection – Engine access
door / Fuel tank cap / Rear service
doors / Instrument panel
▲ ▲ ▲
Cupped end bits (except All-Hydraulic
[PAT] dozer blades*)
▲ ▲ ▲ ▲
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
▲ ▲ ▲ ▲
Environmental fluid drains
▲ ▲ ▲ ▲
Extended rigid drawbar with pin for
pull-type implements (for 850C LT
included in SAE operating weight)
● ▲ ▲ ▲
Heavy-duty transverse case cover
(standard for WT with PAT blade)
▲ ▲ ▲ ▲
Perforated hood for trash envi-
ronments
▲ ▲ ▲ ▲
Rigid drawbar with pin (standard for
LT and WT with PAT blade) (for 850C
WT, 850C LGP included in SAE oper-
ating weight)
▲ ▲ ▲
Trash bars front and rear
▲ ▲ ▲
Grille housing mounted counter-
weight (N/A with PAT blade)