Fahr D25N
The Fahr D25N is a tractor produced by Fahr. It is equipped with a 134.3 ci 2.2 L engine. The listed engine power is Diesel (listed): 25 hp / 18.6 kW. Transmission: Fahr F12N.
Engine Power
Diesel (listed): 25 hp / 18.6 kW
Fuel & Capacities
Diesel
Transmission
Fahr F12N
Overview
 | 1953 - 1955 |
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Production | |
|---|---|
Manufacturer | Fahr |
Total built | 251 |
Variants | |
|---|---|
D25N | standard |
D25NH | high-wheel |
Fahr D25N Engine | |
|---|---|
Deutz 2.2L 2-cyl diesel | |
Engine details ...  |
Fahr D25N Transmission | |
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6-speed gear | |
Transmission details ...  |
Fahr D25N Power | |
|---|---|
Engine | 25 hp
18.6 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 |
Dimensions & Tires | |
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Full dimensions and tires ...  |
Engine
Engine Detail — 134.3 ci / 2.2 L Diesel
Manufacturer | Deutz F2M414 |
Fuel Type | Diesel |
Configuration | 2-cylinder, liquid-cooled |
Displacement | 134.3 ci
2.2 L |
Bore/Stroke | 3.937x5.512 inches
100 x 140 mm |
Power | 25 hp
18.6 kW |
Rated RPM | 1550 |
Transmission
Transmission — Fahr F12N
Transmission | Fahr F12N |
Type | gear |
Gears | 6 forward and 1 reverse |
Dimensions
Fahr D25N Tires |
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Dimensions |
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Recommended Implements & Sizing Guide
Engineering recommendations for Fahr D25N 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 Fahr D25N.
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
Fahr D25N Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fahr D25N.
Converted Equivalents:
Horsepower (HP)25 hp
Kilowatts (kW)18.6 kW
Metric Horsepower (PS / CV)25.3 PS
Direct Competitor Comparison
Compare Fahr D25N against same-era industry alternatives in the same horsepower class.
Current Model
Fahr
Fahr D25N
Engine Power:Diesel (listed): 25 hp / 18.6 kW
★ Baseline Reference
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