Fahr D400B
The Fahr D400B is a tractor produced by Fahr. It is equipped with a 243.5 ci 4.0 L engine. The listed engine power is Diesel (listed): 45 hp / 33.6 kW. Transmission: ZF A23.
Engine Power
Diesel (listed): 45 hp / 33.6 kW
Fuel & Capacities
Diesel
Transmission
ZF A23
Overview
 | 1955 - 1961 |
|---|
Production | |
|---|---|
Manufacturer | Fahr |
Total built | 4002 |
Fahr D400B Engine | |
|---|---|
Deutz 4.0L 3-cyl diesel | |
Engine details ...  |
Fahr D400B Transmission | |
|---|---|
7-speed gear | |
Transmission details ...  |
Fahr D400B Power | |
|---|---|
Engine | 45 hp
33.6 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 91.3 inches
231 cm |
Full dimensions and tires ...  | |
Engine
Engine Detail — 243.5 ci / 4.0 L Diesel
Manufacturer | Deutz F3L514 |
Fuel Type | Diesel |
Configuration | 3-cylinder, air-cooled |
Displacement | 243.5 ci
4.0 L |
Bore/Stroke | 4.33x5.51 inches
110 x 140 mm |
Power | 45 hp
33.6 kW |
Transmission
Transmission — ZF A23
Transmission | ZF A23 |
Type | gear |
Gears | 7 forward and 2 reverse |
Dimensions
Fahr D400B Tires |
|---|
Dimensions | |
|---|---|
Wheelbase | 91.3 inches
231 cm |
Length | 143.7 inches
364 cm |
Width | 87.8 inches
223 cm |
Height | 92.9 inches
235 cm |
Recommended Implements & Sizing Guide
Engineering recommendations for Fahr D400B based on its 45 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 Fahr D400B.
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 D400B Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Fahr D400B.
Converted Equivalents:
Horsepower (HP)45 hp
Kilowatts (kW)33.6 kW
Metric Horsepower (PS / CV)45.6 PS
Direct Competitor Comparison
Compare Fahr D400B against same-era industry alternatives in the same horsepower class.
Current Model
Fahr
Fahr D400B
Engine Power:Diesel (listed): 45 hp / 33.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 404
Engine Power:40.8
Production Years:1961 - 1968
Related models
Fahr D400A
- Power:
- 45
- Production years:
- 1955 - 1960
Fahr D400C
- Power:
- 45
- Production years:
- 1954 - 1957
Fahr D45L
- Power:
- 45
- Production years:
- 1952 - 1954
Fahr D132L
- Power:
- 20
- Production years:
- 1960 - 1961
Fahr D132W
- Power:
- 20
- Production years:
- 1960 - 1961