Marshall Field Marshall Series II
The Marshall Field Marshall Series II is a tractor produced by Marshall. It is equipped with a 310.4 ci 5.1 L engine. The listed engine power is Diesel (listed): 40 hp / 29.8 kW. Transmission: 3 forward and 1 reverse.
Engine Power
Diesel (listed): 40 hp / 29.8 kW
Fuel & Capacities
Diesel
Transmission
3 forward and 1 reverse
Overview
![]() | 1947 - 1949
Field Marshall SeriesStandard-tread tractor
Field Marshall Series
Standard-tread tractor |
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Production | |
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Manufacturer | Marshall |
Standard-tread tractor | |
Built in Gainsborough, England | |
Marshall Series II Engine | |
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Marshall 5.1L 1-cyl diesel | |
Engine details ... |
Marshall Series II Transmission | |
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3-speed gear | |
Transmission details ... |
Marshall Series II Power | |
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Engine | 40 hp
29.8 kW |
Mechanical | |
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Two-wheel drive | |
Steering | manual |
Open operator station. | |
Dimensions & Tires | |
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Full dimensions and tires ... |
Engine
Engine Detail — 310.4 ci / 5.1 L Diesel
Manufacturer | Marshall |
Fuel Type | Diesel |
Configuration | 1-cylinder |
Displacement | 310.4 ci
5.1 L |
Bore/Stroke | 6.625x9 inches
168 x 229 mm |
Power | 40 hp
29.8 kW |
Rated RPM | 750 |
Starter type | starting cartridge |
Transmission
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
Dimensions
Dimensions |
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Photos
Recommended Implements & Sizing Guide
Engineering recommendations for Marshall Field Marshall Series II based on its 40 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 Marshall Field Marshall Series II.
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
Marshall Field Marshall Series II Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Marshall Field Marshall Series II.
Converted Equivalents:
Horsepower (HP)40 hp
Kilowatts (kW)29.8 kW
Metric Horsepower (PS / CV)40.6 PS
Direct Competitor Comparison
Compare Marshall Field Marshall Series II against same-era industry alternatives in the same horsepower class.
Current Model
Marshall
Marshall Field Marshall Series II
Engine Power:Diesel (listed): 40 hp / 29.8 kW
★ Baseline Reference
Related models
Marshall Series I
- Power:
- 36
- Production years:
- 1945 - 1947
Marshall Series III
- Power:
- 40
- Production years:
- 1949 - 1952
Marshall Series IIIA
- Power:
- 40
- Production years:
- 1952 - 1957
Marshall 184
- Power:
- 18
- Production years:
- 1987 - 1997
Marshall 264
- Power:
- 25.8
- Production years:
- 1987 - 1997





