David Brown 50TD
The David Brown 50TD is a tractor produced by David Brown. It is equipped with a 248 ci 4.1 L engine. The listed engine power is Diesel (listed): 50 hp / 37.3 kW. Transmission: 6 forward and 2 reverse. Drive type: crawler. Operating weight: 10450 to 10500 pounds.
Engine Power
Diesel (listed): 50 hp / 37.3 kW
Drive & Traction
crawler
Fuel & Capacities
17.4 gal
65.9 L
Transmission
6 forward and 2 reverse
Operating Weight
10450 lbs
4740 kg
Overview
 | 1953 - 1958
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | David Brown |
Agricultural Crawler tractor | |
Built in Meltham Mills, Huddersfield, England | |
David Brown 50TD Engine | |
|---|---|
David Brown 4.1L 6-cyl diesel | |
Fuel tank | 17.4 gal
65.9 L |
Engine details ...  | |
David Brown 50TD Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
David Brown 50TD Power | |
|---|---|
Engine | 50 hp
37.3 kW |
Belt (claimed) | 44.7 hp
33.3 kW |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 516@1600 |
985@1600 | |
1100@1600 | |
2100@1600 | |
Dimensions & Tracks | |
|---|---|
Weight | 10450 to 10500 pounds |
14-inch tracks | |
Full dimensions and tracks ...  | |
Engine
Engine Detail — 248 ci / 4.1 L Diesel
Manufacturer | David Brown |
Fuel Type | Diesel |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 248 ci
4.1 L |
Bore/Stroke | 3.625x4.00 inches
92 x 102 mm |
Power | 50 hp
37.3 kW |
Rated RPM | 1800 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 14.4 qts
13.6 L |
Coolant capacity | 19 qts
18.0 L |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Clutch | 304.8mm dry disc |
Oil capacity | 57.1 qts
54.0 L |
 | |
Dimensions
David Brown 50TD Tracks | |
|---|---|
Width | 14 inches
35 cm |
Width | 16 inches
40 cm |
Width | 18 inches
45 cm |
Dimensions | |
|---|---|
Length | 121 inches
307 cm |
Height (hood) | 56 inches
142 cm |
48 Operating weight | 10450 lbs
4740 kg |
56 Operating weight | 10500 lbs
4762 kg |
Gauge | 48 inches
121 cm |
Gauge | 56 inches
142 cm |
Gauge | 64 inches
162 cm |
Photos
David Brown 50TD
David Brown 50TD
Recommended Implements & Sizing Guide
Engineering recommendations for David Brown 50TD based on its 50 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 David Brown 50TD.
Estimated Continuous Field Runtime: 6.7 hrs
Approximately 6.7 hours of continuous field operation at ~75% rated power on a full tank (17.4 gal / 65.9 L).
Estimated 75% Load Fuel Burn~2.6 gal/hr (9.8 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
David Brown 50TD Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for David Brown 50TD.
Converted Equivalents:
Horsepower (HP)50 hp
Kilowatts (kW)37.3 kW
Metric Horsepower (PS / CV)50.7 PS
Direct Competitor Comparison
Compare David Brown 50TD against same-era industry alternatives in the same horsepower class.
Current Model
David Brown
David Brown 50TD
Engine Power:Diesel (listed): 50 hp / 37.3 kW
★ Baseline Reference
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