Ursus 3512
The Ursus 3512 is a tractor produced by Ursus. It is equipped with a 152.7 ci 2.5 L engine. The listed engine power is Diesel (listed): 47 hp / 35.0 kW. Transmission: 12 forward and 3 reverse. Operating weight: 5038 lbs 2285 kg.
Engine Power
Diesel (listed): 47 hp / 35.0 kW
Fuel & Capacities
15.3 gal
57.9 L
Transmission
12 forward and 3 reverse
Operating Weight
5038 lbs
2285 kg
Overview
 | 1984 - 2011 |
|---|
Production | |
|---|---|
Manufacturer | Ursus |
Built in Warsaw, Poland | |
Variants | |
|---|---|
3512 | 2WD |
Ursus 3512 Engine | |
|---|---|
Ursus-Perkins 2.5L 3-cyl diesel | |
Fuel tank | 15.3 gal
57.9 L |
Engine details ...  | |
Ursus 3512 Power | |
|---|---|
Engine | 47 hp
35.0 kW |
PTO (claimed) | 42 hp
31.3 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Power steering | |
Mechanical wet disc brakes | |
Two-post ROPS. Cab optional. |
Hydraulics | |
|---|---|
Pump flow | 4.5 gpm
17.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | II |
Control | position and draft control |
Rear lift | 2932 lbs
1329 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@1893 |
Dimensions & Tires | |
|---|---|
Wheelbase | 82 inches
208 cm |
Weight | 5038 lbs
2285 kg |
Front tire | 6.00-16 |
Rear tire | 14.9R28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Battery volts | 12 |
Engine
Engine Detail — 152.7 ci / 2.5 L Diesel
Manufacturer | Ursus-Perkins 3250 |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 152.7 ci
2.5 L |
Bore/Stroke | 3.60x5.00 inches
91 x 127 mm |
Power | 47 hp
35.0 kW |
Air cleaner | oil bath |
Rated RPM | 2250 |
Torque | 121.7 lb-ft
165.0 Nm |
Torque RPM | 1300 |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
8-speed | |
12-speed creeper |
Transmission — 8 forward and 2 reverse
Gears | 8 forward and 2 reverse |
With 14.9-28 rear tires. | |
 | |
Transmission | |
Type | creeper |
Gears | 12 forward and 3 reverse |
 | |
Dimensions
Ursus 3512 Tires | |
|---|---|
Ag front | 6.00-16 |
Ag rear | 14.9R28 |
Dimensions | |
|---|---|
Wheelbase | 82 inches
208 cm |
Length | 134.4 inches
341 cm |
Width | 74 inches
187 cm |
Height (cab) | 98 inches
248 cm |
Height (exhaust) | 93.7 inches
237 cm |
ROPS Weight | 5038 lbs
2285 kg |
Front tread | 53.2/59.1/70.9 inches
135/150/180 cm |
Rear tread | 59.1 to 87 inches
150 to 220 cm |
Photos
Ursus 3512 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Ursus 3512 based on its 47 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
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 3512.
Estimated Continuous Field Runtime: 6.3 hrs
Approximately 6.3 hours of continuous field operation at ~75% rated power on a full tank (15.3 gal / 57.9 L).
Estimated 75% Load Fuel Burn~2.4 gal/hr (9.3 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 3512 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Ursus 3512.
Converted Equivalents:
Horsepower (HP)47 hp
Kilowatts (kW)35 kW
Metric Horsepower (PS / CV)47.7 PS
Direct Competitor Comparison
Compare Ursus 3512 against same-era industry alternatives in the same horsepower class.
Current Model
Ursus
Ursus 3512
Engine Power:Diesel (listed): 47 hp / 35.0 kW
★ Baseline Reference
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