Unitrak UD 12
The Unitrak UD 12 is a tractor produced by Unitrak. The listed engine power is Diesel (listed): 12 hp / 8.9 kW. Transmission: 4 forward and 1 reverse. Drive type: 3x2 2WD.
Engine Power
Diesel (listed): 12 hp / 8.9 kW
Drive & Traction
3x2 2WD
Transmission
4 forward and 1 reverse
Overview
 | 1949 - 1955 |
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Production | |
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Manufacturer | Unitrak |
Built in Creussen, Germany | |
The Unitrak UD 12 was a variant on the two-wheel walking tractor design. The UD 12 had two drive wheels in front with a seat and steering wheel to control the single rear wheel. | |
Unitrak UD 12 Engine | |
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Stihl 1-cyl diesel | |
Engine details ...  |
Unitrak UD 12 Transmission | |
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4-speed gear | |
Transmission details ...  |
Unitrak UD 12 Power | |
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Engine | 12 hp
8.9 kW |
Mechanical | |
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Drive | 3x2 2WD |
Open operator station. | |
Power Take-off (PTO) | |
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Front PTO | standard |
Dimensions & Tires | |
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Full dimensions and tires ...  |
Engine
Engine Detail — Diesel
Manufacturer | Stihl |
Configuration | 1-cylinder, air-cooled |
air diesel | |
Engine information for the Unitrack UD 12 is incomplete. There may also have been ZF Sachs engine, possibly gasoline, available. | |
Power | 12 hp
8.9 kW |
Transmission
Transmission — 4 forward and 1 reverse gear
Type | gear |
Gears | 4 forward and 1 reverse |
Dimensions
Unitrak UD 12 Tires |
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Dimensions |
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Photos
Unitrak UD 12 tractor photo
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Unitrak UD 12.
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
Unitrak UD 12 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Unitrak UD 12.
Converted Equivalents:
Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS