David Brown 850

David Brown 850 Technical Specifications

David Brown 850 is a Row-Crop tractor that was produced by the John Deere between 1960 – 1965.

Below you will find detailed technical specifications for David Brown 850 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

David Brown 850 Production











Manufacturer:
Manufacturer: David Brown
Type: Utility tractor
Factory: Meltham Mills, Huddersfield, England


David Brown 850 Power
















Engine:
Engine: 35 hp
26.1 kW
Drawbar (claimed): 30 hp
22.4 kW
PTO (claimed): 33 hp
24.6 kW
Drawbar (tested): 30.93 hp
23.1 kW
PTO (tested): 33.56 hp
25.0 kW

David Brown 850 Mechanical






















Chassis: 4×2 2WD
Final drives: spur gear
Steering: manual
Brakes: differential mechanical expanding shoe
Cab: Open operator station.
Transmission: 6-speed unsynchronized gear

Tracktor Hitch




Rear Type: I

Power Take-off (PTO)
















Rear PTO: transmission
  live*Optional
Clutch: dry disc
Rear RPM: 540/1000 (1.375)
Engine RPM: 540@1800
540@1100
1000@2000

David Brown 850 Engine detail











































Engine Detail
David Brown
diesel
4-cylinder
liquid-cooled
Displacement: 154 ci
2.5 L
Bore/Stroke: 3.50×4.00 inches
89 x 102 mm
Power: 35 hp
26.1 kW
Fuel system: direct injection
Air cleaner: oil bath
Compression: 17:1
Rated RPM: 2000
Idle RPM: 700-2000
Starter volts: 12
Oil capacity: 10.1 qts
9.6 L
Coolant capacity: 14.4 qts
13.6 L



David Brown 850 Transmission overview

Engine Oil











Type: unsynchronized gear
Gears: 6 forward and 2 reverse
Clutch: dry disc
Three gears (1-3) plus reverse (R) in two ranges (low and high).

David Brown 850 Dimensions
















Wheelbase: 75.25 inches
191 cm
Length: 113.5 inches
288 cm
Height (hood): 51.75 inches
131 cm
Front tread: 52/56/60/64/68/72 inches
132/142/152/162/172/182 cm
Rear tread: 52/56/60/64/68/72 inches
132/142/152/162/172/182 cm
















David Brown 850 Weight
Shipping: 3750 lbs
1701 kg
Gas Operating: 4094 lbs
1857 kg
Diesel Operating: 4179 lbs
1895 kg
Ballasted: 5874 lbs
2664 kg

David Brown 850 Tests
































Nebraska Tractor Test 734
Diesel 6-speed 2WD
March 12 – 26, 1960
Link: Nebraska Tractor Test 734 file
PTO performance
Power at rated engine speed: 33.56 hp
25.0 kW
Fuel use: 2.2 gal/hour
8.3 l/hour
Power at rated PTO speed: 28.24 hp
21.1 kW
Fuel use: 1.7 gal/hour
6.4 l/hour
Drawbar performance
Max power: 30.93 hp
23.1 kW
Fuel use: 2.3 gal/hour
8.7 l/hour
Gear 3 used for power test.































Nebraska Tractor Test 735
Gasoline 6-speed 2WD
March 14 – April 2, 1960
Link: Nebraska Tractor Test 735 file
PTO performance
Power at rated engine speed: 32.00 hp
23.9 kW
Fuel use: 3.0 gal/hour
11.4 l/hour
Power at rated PTO speed: 28.52 hp
21.3 kW
Fuel use: 2.6 gal/hour
9.8 l/hour
Drawbar performance
Max power: 27.64 hp
20.6 kW
Fuel use: 3.0 gal/hour
11.4 l/hour
Gear 3 used for power test.

FAQ

Is David Brown 850 a good tractor?

The David Brown 850 is one of the great tractors in the David Brown stable, and it has earned David Brown a fantastic reputation.

How much oil does a David Brown 850 take?

Check out the David Brown 850 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year David Brown made the ?

The David Brown 850 was an agricultural tractor model made from 1960 – 1965

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