Ursus C-385
The Ursus C-385 is a tractor produced by Ursus. It is equipped with a 279.4 ci 4.6 L engine. The listed engine power is Diesel (listed): 85 hp / 63.4 kW. Transmission: 16 forward and 8 reverse. Operating weight: 9943 to 10910 pounds.
Engine Power
Diesel (listed): 85 hp / 63.4 kW
Fuel & Capacities
Diesel
Transmission
16 forward and 8 reverse
Operating Weight
9943 to 10910 pounds
Overview
 | 1972 - 1983 |
|---|
Production | |
|---|---|
Manufacturer | Ursus |
Variants | |
|---|---|
C-385 | 2WD |
C-385A | 4WD |
Ursus C-385 Transmission | |
|---|---|
16-speed partial power shift | |
Transmission details ...  |
Ursus C-385 Power | |
|---|---|
Engine | 85 hp
63.4 kW |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Steering | power assist |
Differential hydraulic disc brakes | |
Hydraulics | |
|---|---|
Pump flow | 9.2 gpm
34.8 lpm |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540/1000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 93.9 inches
238 cm |
Weight | 9943 to 10910 pounds |
Front tire | 7.50-20 |
Rear tire | 16.9-34 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
C385, C385A published in 1975, by Ursus |
Engine
Engine options | |
|---|---|
4.6L 4-cyl diesel | |
4.6L 4-cyl |
Engine Detail — 279.4 ci / 4.6 L Diesel
Manufacturer | Z-7501 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 279.4 ci
4.6 L |
Bore/Stroke | 4.33x4.72 inches
110 x 120 mm |
Power | 85 hp
63.4 kW |
Air cleaner | dry two stage |
Compression | 17:1 |
Rated RPM | 2200 |
Torque | 197.7 lb-ft
268.1 Nm |
Torque RPM | 1130 |
Engine Detail — 279.4 ci / 4.6 L
Configuration | turbocharged, 4-cylinder |
Displacement | 279.4 ci
4.6 L |
Bore/Stroke | 4.33x4.72 inches
110 x 120 mm |
Rated RPM | 2200 |
Torque | 236.0 lb-ft
320.0 Nm |
Torque RPM | 1650 |
Transmission
Transmission — 16 forward and 8 reverse partial power shift
Type | partial power shift |
Gears | 16 forward and 8 reverse |
A 8-forward and 4-reverse gearbox with a torque amplifier style power shift that doubles the available speeds. | |
With 16.9-34 rear tires. | |
 | |
Dimensions
Ursus C-385 Tires | |
|---|---|
Ag front | 7.50-20 (2WD) |
12.4-24 (4WD) | |
Ag rear | 16.9-34 |
Dimensions | |
|---|---|
Wheelbase | 93.9 inches
238 cm |
Length | 155.3 inches
394 cm |
Width | 76 inches
193 cm |
Height (cab) | 97.8 inches
248 cm |
2WD cab Weight | 9943 lbs
4510 kg |
4WD cab Weight | 10910 lbs
4948 kg |
Ground clearance | 16.5 inches
41 cm |
Photos
Ursus C-385 and C-385A tractors
Cab interior of the Ursus C-385
Recommended Implements & Sizing Guide
Engineering recommendations for Ursus C-385 based on its 85 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 3 to 4 Bottom (16")3 - 4 铧 (40 cm) | Heavy Duty | Suitable for medium loam and stubble turnover. |
Rotary Cutter / MowerMowing & Clearing | 7 to 8 ft (84-96 in)2.1 - 2.4 m | Heavy Duty | Heavy-duty twin spindle cutter for overgrown acreage. |
Rotary TillerSeedbed Prep | 78 to 84 in200 - 215 cm | Heavy Duty | Heavy commercial tiller with multi-speed gearbox. |
Disc HarrowSecondary Tillage | 10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙 | Heavy Duty | Aggressive residue cutting in corn/cotton stubble. |
Hay BalerHay & Forage | 4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机 | Heavy Duty | Silage and dry hay; 540 RPM PTO with slip-clutch. |
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 Ursus C-385.
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
Ursus C-385 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Ursus C-385.
Converted Equivalents:
Horsepower (HP)85 hp
Kilowatts (kW)63.4 kW
Metric Horsepower (PS / CV)86.2 PS
Direct Competitor Comparison
Compare Ursus C-385 against same-era industry alternatives in the same horsepower class.
Current Model
Ursus
Ursus C-385
Engine Power:Diesel (listed): 85 hp / 63.4 kW
★ Baseline Reference
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