Challenger 85C
The Challenger 85C is a tractor produced by Challenger. It is equipped with a 629 ci 10.3 L engine. The listed engine power is Diesel (listed): 355 hp / 264.7 kW. Transmission: 10 forward and 2 reverse. Drive type: crawler. Operating weight: 33645 lbs 15261 kg.
Engine Power
Diesel (listed): 355 hp / 264.7 kW
Drive & Traction
crawler
Fuel & Capacities
209 gal
791.1 L
Transmission
10 forward and 2 reverse
Operating Weight
33645 lbs
15261 kg
Overview
 | 1994 - 1996
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Challenger (a part of Caterpillar) |
Agricultural Crawler tractor | |
Built in Peoria, Illinois, USA | |
Challenger 85C Engine | |
|---|---|
Caterpillar 10.3L 6-cyl diesel | |
Engine details ...  |
Challenger 85C Transmission | |
|---|---|
10-speed full power shift | |
Transmission details ...  |
Challenger 85C Power | |
|---|---|
Engine | 355 hp
264.7 kW |
Drawbar (claimed) | 280 hp
208.8 kW |
PTO (claimed) | 305 hp
227.4 kW |
Drawbar (tested) | 272.42 hp
203.1 kW |
PTO (tested) | 304.57 hp
227.1 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | crawler |
Power steering | |
Hydraulic wet disc brakes | |
Cab standard. | |
Capacity | |
|---|---|
Fuel | 209 gal
791.1 L |
Hydraulic system | 29 gal
109.8 L |
Hydraulics | |
|---|---|
Type | closed center |
Capacity | 29 gal
109.8 L |
Pressure | 2550 psi
175.8 bar |
Valves | 4 |
Pump flow | 27 gpm
102.2 lpm |
35 gpmOptOptional
132.5 lpm | |
Steering flow | 61.4 gpm
232.4 lpm |
Steering press. | 6090 psi
419.9 bar |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 1000 |
Dimensions & Tracks | |
|---|---|
Wheelbase | 107.1 inches
272 cm |
Weight | 33645 lbs
15261 kg |
30-inch tracks | |
Full dimensions and tracks ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 115 |
Batteries | 2 |
Battery CCA | 900 |
Battery volts | 12 |
References | |
|---|---|
 | |
Challenger Agricultural Tractor published in 1993, by Caterpillar |
Engine
Engine Detail — 629 ci / 10.3 L Diesel
Manufacturer | Caterpillar 3176 ATAAC |
Configuration | turbocharged intercooled diesel, 6-cylinder, liquid-cooled inline |
Displacement | 629 ci
10.3 L |
Bore/Stroke | 4.92x5.51 inches
125 x 140 mm |
Power | 355 hp
264.7 kW |
Air cleaner | dual dry elements |
Pre-heating | ether injection |
block heater | |
Compression | 16:1 |
Rated RPM | 2100 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 31.7 qts
30.0 L |
Coolant capacity | 80 qts
75.7 L |
Challenger 85C Engine | |
|---|---|
 |
Transmission
Transmission — 10 forward and 2 reverse full power shift
Type | full power shift |
Gears | 10 forward and 2 reverse |
Oil capacity | 60 qts
56.8 L |
 | |
Dimensions
Challenger 85C Tracks | |
|---|---|
Width | 30 inches
76 cm |
Length on ground | 107.1 inches
272 cm |
Area on ground | 6428 in²
4.1 m² |
Ground pressure | 5.2 psi
0.4 bar |
Dimensions | |
|---|---|
Wheelbase | 107.1 inches
272 cm |
Length | 232 inches
589 cm |
Width | 120 inches
304 cm |
Height (cab) | 128 inches
325 cm |
Height (exhaust) | 144 inches
365 cm |
Operating weight | 33645 lbs
15261 kg |
Clearance (drawbar) | 15 inches
38 cm |
Gauge | 90 inches
228 cm |
Tests
OCED Tractor Test 1687 | |
|---|---|
Diesel 10-speed crawler
April 4 - 7, 1995
Link: OCED Tractor Test 1687 file | |
PTO performance | |
Max power | 304.57 hp
227.1 kW |
Fuel use | 16.5 gal/hour
62.5 l/hour |
Power at rated engine speed | 284.08 hp
211.8 kW |
Fuel use | 16.1 gal/hour
60.9 l/hour |
Power at rated PTO speed | 289.86 hp
216.1 kW |
Fuel use | 16.1 gal/hour
60.9 l/hour |
Drawbar performance | |
Max power | 272.42 hp
203.1 kW |
Fuel use | 17.3 gal/hour
65.5 l/hour |
Gear 3 used for power test. | |
Max pull | 33,673 lbs
15274 kg |
Gear 1 used for pull test. | |
Photos
Challenger 85C
Recommended Implements & Sizing Guide
Engineering recommendations for Challenger 85C based on its 355 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 8+ Bottom On-Land Hitch8+ 铧重型机外牵引犁 | Commercial / Field Scale | High horsepower articulated/4WD field plowing. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 24 to 36 ft Heavy Duty Field Disc7.3 - 11.0 m 超宽重型整地耙 | Commercial / Field Scale | Broad-acre grain tillage for high-drawbar tractors. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Challenger 85C.
Estimated Continuous Field Runtime: 11.3 hrs
Approximately 11.3 hours of continuous field operation at ~75% rated power on a full tank (209 gal / 791.2 L).
Estimated 75% Load Fuel Burn~18.5 gal/hr (69.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Challenger 85C Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Challenger 85C.
Converted Equivalents:
Horsepower (HP)355 hp
Kilowatts (kW)264.7 kW
Metric Horsepower (PS / CV)359.9 PS
Direct Competitor Comparison
Compare Challenger 85C against same-era industry alternatives in the same horsepower class.
Current Model
Challenger
Challenger 85C
Engine Power:Diesel (listed): 355 hp / 264.7 kW
★ Baseline Reference
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