David Brown 950
The David Brown 950 is a tractor produced by David Brown. It is equipped with a 165 ci 2.7 L engine. The listed engine power is Diesel (listed): 42.5 hp / 31.7 kW. Transmission: Twin-Range. Operating weight: 4230 lbs 1918 kg.
Engine Power
Diesel (listed): 42.5 hp / 31.7 kW
Fuel & Capacities
13.75 gal
52.0 L
Transmission
Twin-Range
Operating Weight
4230 lbs
1918 kg
Overview
 | 1958 - 1959 |
|---|
Production | |
|---|---|
Manufacturer | David Brown |
David Brown 950 Engine | |
|---|---|
David Brown 2.7L 4-cyl diesel | |
Fuel tank | 13.75 gal
52.0 L |
Engine details ...  | |
David Brown 950 Transmission | |
|---|---|
6-speed | |
Transmission details ...  |
David Brown 950 Power | |
|---|---|
Engine | 42.5 hp
31.7 kW |
Drawbar (claimed) | 32 hp
23.9 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | spur gear |
Steering | manual |
power OptOptional | |
Mechanical drum brakes | |
Open operator station. | |
Hydraulics | |
|---|---|
Pressure | 2000 psi
137.9 bar |
Pump flow | 7.5 gpm
28.4 lpm |
Tractor hitch | |
|---|---|
Rear Type | II/I |
Control | Implematic draft and depth control (1959 on) |
Rear lift (at ends) | 1800 lbs
816 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
live OptOptional | |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@1800 |
Dimensions & Tires | |
|---|---|
Wheelbase | 76.75 inches
194 cm |
Weight | 4230 lbs
1918 kg |
Front tire | 6.00-16 |
Rear tire | 11-32 |
Full dimensions and tires ...  | |
References | |
|---|---|
 | |
950 published in 1959, by David Brown | |
950 Implematic published in 1960, by David Brown |
Engine
Engine Detail — 165 ci / 2.7 L Diesel
Manufacturer | David Brown |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 165 ci
2.7 L |
Bore/Stroke | 3.625x4.00 inches
92 x 102 mm |
Power | 42.5 hp
31.7 kW |
Compression | 17:1 |
Rated RPM | 2200 |
Idle RPM | 700-2200 |
Starter volts | 12 |
Oil capacity | 7.8 qts
7.4 L |
Coolant capacity | 14.4 qts
13.6 L |
David Brown 950 Engine | |
|---|---|
 |
Transmission
Transmission — Twin-Range
Transmission | Twin-Range |
Gears | 6 forward and 2 reverse |
Clutch | 254mm dry disc |
With 11-32 rear tires. | |
 | |
Dimensions
David Brown 950 Tires | |
|---|---|
Ag front | 6.00-16 |
Ag rear | 11-32 |
Ag rear | 13-28 |
Dimensions | |
|---|---|
Wheelbase | 76.75 inches
194 cm |
Length | 118 inches
299 cm |
Width | 64 inches
162 cm |
Height | 78.5 inches
199 cm |
Weight | 4230 lbs
1918 kg |
Front tread | 52/56/60/64/68/72/76 inches
132/142/152/162/172/182/193 cm |
Rear tread | 52/56/60/64/68/72/76 inches
132/142/152/162/172/182/193 cm |
Photos
David Brown 950
David Brown 950
David Brown 950
David Brown 950
David Brown 950
David Brown 950
Recommended Implements & Sizing Guide
Engineering recommendations for David Brown 950 based on its 42.5 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 950.
Estimated Continuous Field Runtime: 6.2 hrs
Approximately 6.2 hours of continuous field operation at ~75% rated power on a full tank (13.8 gal / 52 L).
Estimated 75% Load Fuel Burn~2.2 gal/hr (8.4 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 950 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for David Brown 950.
Converted Equivalents:
Horsepower (HP)42.5 hp
Kilowatts (kW)31.7 kW
Metric Horsepower (PS / CV)43.1 PS
Direct Competitor Comparison
Compare David Brown 950 against same-era industry alternatives in the same horsepower class.
Current Model
David Brown
David Brown 950
Engine Power:Diesel (listed): 42.5 hp / 31.7 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 240
Engine Power:38.5
Production Years:1958 - 1962
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