David Brown 885

Last Updated: July 2024

Overview

The David Brown 885 is a utility tractor manufactured between 1971 and 1980. It features a 3-cylinder vertical gasoline engine with 146.1 cu in displacement, producing 39.26 HP at 2200 rpm. The tractor has a selective gear fixed ratio transmission with 12 forward and 4 reverse gears. It weighs 4020 lb without ballast and can be equipped with additional ballast for increased traction. The tractor offers versatility with adjustable tread widths and various performance capabilities as demonstrated in Nebraska Tractor Test 1143.

Key Specifications

Category: Utility

Power Output: 39.26

Transmission: Selective gear fixed ratio

Drive Type: 2WD

Operating Weight: 4020

Fuel Type: Gasoline

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David Brown 885 Tractor

David Brown 885 vs. Similar Tractors

Power Output

Average

Greater than 45% of similar tractors.

Hitch Capacity

Poor

Greater than 2% of similar tractors.

Operating Weight

Average

Greater than 39% of similar tractors.

Technical Specifications

Engine

Manufacturer: David Brown
Model: 3 cylinder vertical gasoline
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Gasoline
Induction Type: Natural
Cylinders: 3
Displacement (ci): 146.1
Bore (in): 3.939
Stroke (in): 4.0
Rated RPM: 2200
Power Output (hp): 39.26

Transmission

Type: Selective gear fixed ratio
Forward Gears: 12
Reverse Gears: 4
Total Gears: -

Dimensions

Length (in): 115.7
Width (in): 65
Height (in): 93.7
Operating Weight (lb): 4020

Power Take-Off (PTO)

PTO Type: Rear
PTO Speed 1 (rpm): 540
PTO Speed 2 (rpm): 1000
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2
Drive Type: 2WD
Steering Type: Manual
Coolant Capacity (qts): 9
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Agricultural
Manufacture - End Year: 1980
Hitch Type: Rear
Hitch Category: I, II
Hitch Position: Rear
Hitch Capacity (lb): 1,808
Operator Station Type: Open operator station
Starter Type: 12-volt electric
Brake Type: Internal expanding shoe
Hydraulic System Type: Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: September 17 to October 3, 1973

Maximum Power and Fuel Consumption

Maximum Power: 39.26 HP at 2200 rpm
Fuel Consumption at Maximum Power: 3.83 Gal/hr with a fuel efficiency of 0.591 lb/hp.hr
Cooling Medium Temperature: 207°F

Drawbar Performance

Maximum Available Power (8th Gear): 32.09 HP at 2148 lbs of drawbar pull and a speed of 5.60 mph
Fuel Consumption at Maximum Power: 4.253 Gal/hr with a fuel efficiency of 0.802 lb/hp.hr
Slip of Drivers: 4.05%

Torque and Engine Performance

Engine Type: David Brown Gasoline, 3 cylinder vertical
Displacement: 146.1 cu in
Compression Ratio: 6.75 to 1

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 10.96 Hp.hr/gal
Fuel Consumption: 3.399 Gal/hr at 2000 rpm

NTTL.(1973).Nebraska OECD Tractor test 1143 for David Brown 885 Gasoline. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/1466