Introduction
David Brown 4600 Utility Tractor
The David Brown 4600 is a utility tractor produced between 1968 and 1971 at the Meltham Mills facility in Huddersfield, England. As part of the 3800 series, this machine was engineered to provide versatile performance for general agricultural operations, delivering 51 horsepower.
Engine and Performance
The tractor is powered by a 2.7-liter, 3-cylinder liquid-cooled gasoline engine. It operates at a rated speed of 2200 RPM, producing 140 lb-ft of torque at 1400 RPM. The engine features a 7.5:1 compression ratio and utilizes an oil bath air cleaner to maintain performance in varied environments.
Transmission and Drivetrain
The 4600 model offers two gear-type transmission configurations: a 6-speed forward and 2-reverse setup, or a 12-speed forward and 4-reverse option. Both configurations utilize a dry disc clutch. The tractor features a two-wheel drive system, manual steering with optional power-assist, and a rear differential lock as standard equipment to improve traction.
Hydraulics and PTO
Equipped with the Selectamatic hydraulic system, the tractor provides a pump flow of 7.3 gpm at 2000 psi. The hydraulic capacity is 6 gallons, supporting up to two valves. The live rear PTO supports both 540 and 1000 RPM speeds, engaged at 1823 and 2000 engine RPM respectively, allowing for the operation of various agricultural implements.
Dimensions and Hitch
With an operating weight of 4,300 lbs, the tractor measures 121.5 inches in length and has a 79.75-inch wheelbase. The rear hitch is a Category II/I type, featuring both position and draft control, with a working lift capacity of 1,800 lbs. The tractor's clearance and adjustable tread widths allow for adaptability across different row-crop applications.
Conclusion
The David Brown 4600 represents a period of practical utility tractor design, emphasizing mechanical reliability and flexible gear configurations. It remains a capable machine for farmers and collectors requiring a standard two-wheel-drive tractor for general field tasks.
Production Information of David Brown, 4600
- Utility tractor
- Built in Meltham Mills, Huddersfield, England
| Manufacturer | David Brown |
|---|---|
| Original price | $4,600 (1971) |
Dimension and Tires Information of David Brown, 4600
| Rear tread | 60 to 80 inches [152 to 203 cm (PAVT)] |
|---|---|
| Wheelbase | 79.75 inches [202 cm] |
| Operating weight | 4300 lbs [1950 kg] |
| Height (hood) | 54 inches [137 cm] |
| Length | 121.5 inches [308 cm] |
| Clearance (drawbar) | 14.25 inches [36 cm] |
| Ballasted weight | 6750 lbs [3061 kg] |
| Width | 68.375 inches (min) [173 cm] |
| Rear tread | 52 to 80 inches [132 to 203 cm] |
| Front tread | 52 to 72 inches [132 to 182 cm] |
| Clearance (front axle) | 19.75 inches [50 cm] |
| Ag front | 6.00-16 |
|---|---|
| Ag rear | 14.9/13-28 |
| Ag front | 7.50-16 |
Engine Specifications of David Brown, 4600
- David Brown
- Liquid-cooled
- Gasoline
- 3-cylinder
| Coolant capacity | 11 qts [10.4 L] |
|---|---|
| Compression | 7.5:1 |
| Rated RPM | 2200 |
| Torque | 140 lb-ft [189.8 Nm] |
| Operating RPM | 700-2200 |
| Displacement | 164.4 ci [2.7 L] |
| Air cleaner | Oil bath |
| Bore/Stroke | 3.939x4.500 inches [100 x 114 mm] |
| Oil capacity | 6.75 qts [6.4 L] |
| Starter volts | 12 |
| Torque RPM | 1400 |
Transmission Information of David Brown, 4600
Transmission variants 1
| Type | Gear |
|---|---|
| Oil capacity | 24 qts [22.7 L] |
| Gears | 6 forward and 2 reverse |
| Clutch | Dry disc |
Transmission variants 2
| Type | Gear |
|---|---|
| Oil capacity | 24 qts [22.7 L] |
| Gears | 12 forward and 4 reverse |
| Clutch | Dry disc |
- 6-speed gear
- 12-speed gear
Mechanical Specs of David Brown, 4600
- Open operator station.
- Two-wheel drive
- Expanding shoe brakes
| Steering | Manual |
|---|---|
| Final drives | Spur gear |
| Differential lock | Rear diff lock standard |
Power Information of David Brown, 4600
| Rear PTO | Live |
|---|---|
| Rear PTO(optional) | 1000@2000 |
| Rear PTO Type | 540/1000 |
| Engine RPM | 540@1823 |
Hydraulics Specifications of David Brown, 4600
| Type | Selectamatic |
|---|---|
| Pump flow | 7.3 gpm [27.6 lpm] |
| Valves | 0 to 2 |
| Capacity | 6 gal [22.7 L] |
| Pressure | 2000 psi [137.9 bar] |
Three-Point Hitch of David Brown, 4600
| Rear Type | II/I |
|---|---|
| Rear Type(optional) | 2500 lbs (static) [1134 kg] |
| Control | Position and draft control |
| Rear lift (at ends) | 1800 lbs (working) [816 kg] |
Where it sits
With 51 hp[P] HP, the David Brown 4600 sits just above 3800 (43 HP) in David Brown's range. Its power puts it in the 51th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the David Brown 4600 have?
The David Brown 4600 delivers 51 hp[P] HP.
What years was the David Brown 4600 produced?
The David Brown 4600 was produced in 1968-1971.
What engine does the David Brown 4600 have?
The David Brown 4600 is powered by a Gasoline, 3-cylinder engine.
What transmission does the David Brown 4600 use?
The David Brown 4600 uses a Gear transmission.
How much does the David Brown 4600 weigh?
The David Brown 4600 weighs 4300 lbs [1950 kg].
Is the David Brown 4600 4WD?
The David Brown 4600 is available in 2WD.