David Brown 900: all source data
All 123 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | David Brown |
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| (no label) | Row-Crop tractor |
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Engine| (no label) | David Brown 2.7L 4-cyl diesel |
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| (no label) | David Brown 2.7L 4-cyl kerosene |
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| (no label) | David Brown 2.7L 4-cyl gasoline |
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| Fuel tank | 11.5 gal (diesel/gas) | 43.5 L |
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| Fuel tank | 10 gal (kerosene) | 37.9 L |
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| Aux. fuel | 1.5 gal | 5.7 L |
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Transmission| (no label) | 6-speed |
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Power| Engine | 45.5 hp | 33.9 kW |
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| Belt (claimed) | 32 hp (kerosene) | 23.9 kW |
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| Belt (claimed) | 35 hp (diesel/gas) | 26.1 kW |
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| Belt (claimed) | 40 hp (high-compression) | 29.8 kW |
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Mechanical| (no label) | Two-wheel drive |
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| Steering | manual |
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| (no label) | Mechanical drum brakes |
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| (no label) | Open operator station. |
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Hitch| Rear Type | I |
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| Rear lift (at ends) | 1800 lbs | 816 kg |
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Pto| Rear PTO | transmission |
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| Rear PTO | live (optional) |
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| Rear PTO Type | 540 |
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| Engine RPM | 545@1600 |
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Dimensions| Wheelbase | 72 inches | 182 cm |
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| Weight | 3900 to 4000 pounds |
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| Front tire | 11.00x28 |
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Belt pulley| Diameter | 8.5 inches | 21 cm |
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| Width | 5.75 inches | 14 cm |
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| RPM | 1405 |
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| Speed | 3125 ft/min | 952.50 meters/min |
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Engine
Engine options| (no label) | David Brown 2.7L 4-cyl diesel |
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| (no label) | David Brown 2.7L 4-cyl kerosene |
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| (no label) | David Brown 2.7L 4-cyl gasoline |
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Engine detail| (no label) | David Brown AD4/30H |
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| (no label) | diesel |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 165 ci | 2.7 L |
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| Bore/Stroke | 3.625x4.00 inches | 92 x 102 mm |
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| Power | 40 hp | 29.8 kW |
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| Compression | 15.9:1 |
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| Rated RPM | 2200 |
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| Torque | 105 lb-ft | 142.4 Nm |
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| Torque RPM | 1300 |
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| Firing order | 1-2-4-3 |
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| Starter type | electric |
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| Oil capacity | 7 qts | 6.6 L |
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| Coolant capacity (Coolant) | 14 qts | 13.2 L |
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| Intake valve clearance | 0.015 inches (hot) | 0.381 mm |
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| Exhaust valve clearance | 0.015 inches (hot) | 0.381 mm |
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| (no label) | David Brown AK4/30H |
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| (no label) | kerosene |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 165 ci | 2.7 L |
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| Bore/Stroke | 3.625x4.00 inches | 92 x 102 mm |
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| Power | 37.5 hp | 28.0 kW |
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| Fuel system | Slex 30FV carburetor |
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| Compression | 4.7:1 |
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| Rated RPM | 2200 |
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| Torque | 110 lb-ft | 149.2 Nm |
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| Torque RPM | 1000 |
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| Firing order | 1-2-4-3 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 7 qts | 6.6 L |
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| Coolant capacity (Coolant) | 14 qts | 13.2 L |
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| Intake valve clearance | 0.015 inches (hot) | 0.381 mm |
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| Exhaust valve clearance | 0.022 inches (hot) | 0.559 mm |
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| (no label) | David Brown AG4/30H |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 165 ci | 2.7 L |
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| Bore/Stroke | 3.625x4.00 inches | 92 x 102 mm |
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| Power | 40.5 hp | 30.2 kW |
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| Fuel system | Solex 30FV carburetor |
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| Compression | 5.5:1 |
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| Rated RPM | 2200 |
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| Firing order | 1-2-4-3 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 7 qts | 6.6 L |
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| Coolant capacity (Coolant) | 14 qts | 13.2 L |
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| Intake valve clearance | 0.015 inches (hot) | 0.381 mm |
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| Exhaust valve clearance | 0.022 inches (hot) | 0.559 mm |
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| (no label) | David Brown PAG4/30H |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| (no label) | High-compression gasoline engine for premium fuel. |
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| Displacement | 165 ci | 2.7 L |
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| Bore/Stroke | 3.625x4.00 inches | 92 x 102 mm |
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| Power | 45.5 hp | 33.9 kW |
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| Fuel system | Solex 30FV carburetor |
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| Compression | 7:1 |
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| Rated RPM | 2200 |
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| Firing order | 1-2-4-3 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 7 qts | 6.6 L |
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| Intake valve clearance | 0.015 inches (hot) | 0.381 mm |
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| Exhaust valve clearance | 0.022 inches (hot) | 0.559 mm |
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Transmission
Transmission| Transmission | David Brown |
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| Gears | 6 forward and 2 reverse |
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| Clutch | 254mm dry disc |
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| Oil capacity | 16 qts | 15.1 L |
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| (no label) | Three gears (1-3) plus reverse (R) in two ranges (low/high). |
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Dimensions
Tires| Standard tires (ag) | Front: 11.00x28. Rear: |
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| Standard tires (ag) | Front: 13x28. Rear: |
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| Ag front | 6.00x16 |
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| Ag rear | 11.25x28 |
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| Ag rear | 5.50x16 |
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Dimensions| Wheelbase | 72 inches | 182 cm |
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| Length | 113 inches | 287 cm |
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| Width | 65 inches | 165 cm |
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| Height | 77.75 inches | 197 cm |
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| Height (hood) | 54.5 inches | 138 cm |
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| Diesel Weight (Diesel) | 4000 lbs | 1814 kg |
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| Kerosene Weight (Kerosene) | 3900 lbs | 1769 kg |
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| Clearance (front axle) | 16 inches | 40 cm |
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| Front tread | 52/56/60/64/68/72/86 inches | 132/142/152/162/172/182/218 cm |
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| Rear tread | 52/56/60/64/68/72/86 inches | 132/142/152/162/172/182/218 cm |
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