Dutra UB-28
The Dutra UB-28 is a tractor produced by Dutra. It is equipped with a 162.3 ci 2.7 L engine. The listed engine power is Diesel (listed): 28 hp / 20.9 kW. Transmission: 6 forward and 2 reverse. Operating weight: 4101 lbs 1860 kg.
Engine Power
Diesel (listed): 28 hp / 20.9 kW
Fuel & Capacities
14.5 gal
54.9 L
Transmission
6 forward and 2 reverse
Operating Weight
4101 lbs
1860 kg
Overview
 | 1958 - 1970
U-28 SeriesUtility tractor
U-28 Series
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Dutra |
Utility tractor | |
Built in Budapest, Hungary | |
Variants | |
|---|---|
UA-28 | leaf-spring front axle |
UB-28 | row-crop front axle |
UE-28 | four-wheel drive |
Dutra UB-28 Engine | |
|---|---|
Csepel 2.7L 2-cyl diesel | |
Fuel tank | 14.5 gal
54.9 L |
Engine details ...  | |
Dutra UB-28 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Dutra UB-28 Power | |
|---|---|
Engine | 28 hp
20.9 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 82.7 inches
210 cm |
Weight | 4101 lbs
1860 kg |
Front tire | 5.50x16 |
Rear tire | 9x36 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 162.3 ci / 2.7 L Diesel
Manufacturer | Csepel DT-213 |
Fuel Type | Diesel |
Configuration | 2-cylinder |
Displacement | 162.3 ci
2.7 L |
Bore/Stroke | 4.331x5.51 inches
110 x 140 mm |
Power | 28 hp
20.9 kW |
Compression | 21:1 |
Rated RPM | 1650 |
Starter type | electric |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Dimensions
Dutra UB-28 Tires | |
|---|---|
Ag front | 5.50x16 |
Ag rear | 9x36 |
Dimensions | |
|---|---|
Wheelbase | 82.7 inches
210 cm |
Length | 124.8 inches
316 cm |
Height (cab) | 74.8 inches
189 cm |
Weight | 4101 lbs
1860 kg |
Photos
Dutra UB-28 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Dutra UB-28 based on its 28 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 Dutra UB-28.
Estimated Continuous Field Runtime: 10 hrs
Approximately 10 hours of continuous field operation at ~75% rated power on a full tank (14.5 gal / 54.9 L).
Estimated 75% Load Fuel Burn~1.5 gal/hr (5.5 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
Dutra UB-28 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Dutra UB-28.
Converted Equivalents:
Horsepower (HP)28 hp
Kilowatts (kW)20.9 kW
Metric Horsepower (PS / CV)28.4 PS
Direct Competitor Comparison
Compare Dutra UB-28 against same-era industry alternatives in the same horsepower class.
Current Model
Dutra
Dutra UB-28
Engine Power:Diesel (listed): 28 hp / 20.9 kW
★ Baseline Reference
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