Ursus C-325
The Ursus C-325 is a tractor produced by Ursus. It is equipped with a 109.8 ci 1.8 L engine. The listed engine power is Diesel (listed): 25 hp / 18.6 kW. Transmission: 6 forward and 2 reverse. Operating weight: 3219 lbs 1460 kg.
Engine Power
Diesel (listed): 25 hp / 18.6 kW
Fuel & Capacities
9.2 gal
34.8 L
Transmission
6 forward and 2 reverse
Operating Weight
3219 lbs
1460 kg
Overview
 | 1959 - 1963 |
|---|
Production | |
|---|---|
Manufacturer | Ursus |
Ursus C-325 Engine | |
|---|---|
1.8L 2-cyl diesel | |
Fuel tank | 9.2 gal
34.8 L |
Engine details ...  | |
Ursus C-325 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Ursus C-325 Power | |
|---|---|
Engine | 25 hp
18.6 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Steering | manual |
Open operator station. | |
Tractor hitch | |
|---|---|
Rear lift | 1544 lbs
700 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 72.5 inches
184 cm |
Weight | 3219 lbs
1460 kg |
Front tire | 6.00-16 |
Rear tire | 11.2-28 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 109.8 ci / 1.8 L Diesel
Manufacturer | S-312 |
Fuel Type | Diesel |
Configuration | 2-cylinder, liquid-cooled |
Displacement | 109.8 ci
1.8 L |
Bore/Stroke | 3.85x4.72 inches
98 x 120 mm |
Power | 25 hp
18.6 kW |
Rated RPM | 2000 |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Dimensions
Ursus C-325 Tires | |
|---|---|
Ag front | 6.00-16 |
Ag rear | 11.2-28 |
Dimensions | |
|---|---|
Wheelbase | 72.5 inches
184 cm |
Length | 119.3 inches
303 cm |
Height | 59 inches
149 cm |
Weight | 3219 lbs
1460 kg |
Photos
Ursus C-325
Recommended Implements & Sizing Guide
Engineering recommendations for Ursus C-325 based on its 25 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough seedbed preparation in orchards and vegetable plots. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
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-325.
Estimated Continuous Field Runtime: 7.1 hrs
Approximately 7.1 hours of continuous field operation at ~75% rated power on a full tank (9.2 gal / 34.8 L).
Estimated 75% Load Fuel Burn~1.3 gal/hr (4.9 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
Ursus C-325 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Ursus C-325.
Converted Equivalents:
Horsepower (HP)25 hp
Kilowatts (kW)18.6 kW
Metric Horsepower (PS / CV)25.3 PS
Direct Competitor Comparison
Compare Ursus C-325 against same-era industry alternatives in the same horsepower class.
Current Model
Ursus
Ursus C-325
Engine Power:Diesel (listed): 25 hp / 18.6 kW
★ Baseline Reference
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