David Brown 50D Specs ( 1953-1958 )
Overview
The David Brown 50D is a vintage farm tractor manufactured between 1953 and 1958 that features a 4.1L 6-cylinder diesel engine producing 50 hp. With a substantial operating weight of 6,130 lbs and a 6-speed gear transmission, it offers a durable platform for mid-century agricultural operations.
Ideal Applications
PTO-Driven Implements:
The 540 RPM rear PTO combined with a 50 hp engine allows this tractor to operate various agricultural machinery effectively.
Heavy Towing and Tillage:
A 6,130 lb weight and 6-speed gear transmission provide the necessary traction and gear range for heavy-duty farm tasks.
Open Field Cultivation:
The 13-inch ground clearance and 14-30 rear tires make it suitable for navigating diverse terrain during field preparation and maintenance.
Production
| Manufacturer | David Brown |
|---|
Engine
| Engine type | David Brown 4.1L 6-cyl diesel |
|---|---|
| Fuel tank | 14.5 gal (54.9 L) |
| Bore/Stroke | 3.625x4.00 inches (92 x 102 mm) |
| Compression | 16:1 |
| Coolant capacity | 20 qts (18.9 L) |
| Description | David Brown / diesel / 6-cylinder / liquid-cooled |
| Displacement | 248 ci (4.1 L) |
| Idle RPM | 700-1800 |
| Oil capacity | 11 qts (10.4 L) |
| Power | 50 hp (37.3 kW) |
| Rated RPM | 1800 |
Transmission
| Clutch | 10-inch dry disc |
|---|---|
| Gears | 6 forward and 2 reverse |
| Oil capacity | 24 qts (22.7 L) |
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Mechanical drum brakes |
| Drive type | Two-wheel drive |
| Steering | manual |
PTO
| Rear PTO Type | 540 |
|---|
Dimensions & Tires
| Ag front | 7.50-18 |
|---|---|
| Ag rear | 14-30 |
| Ground clearance | 13 inches (33 cm) |
| Height (hood) | 65 inches (165 cm) |
| Length | 134.75 inches (342 cm) |
| Weight | 6,130 lbs (2780 kg) |
| Wheelbase | 81.75 inches (207 cm) |
| Width | 74 inches (187 cm) |
| Front tire | 7.50-18 |
| Rear tire | 14-30 |
| Weight | 6,130 lbs (2780 kg) |
| Wheelbase | 81.75 inches (207 cm) |
50D Serial Numbers
| 1953 | VAD/6 10001 |
|---|---|
| 1954 | VAD/6 ????? |
| 1955 | VAD/6 10400 |
| 1956 | VAD/6 ????? |
| 1957 | VAD/6 ????? |
| 1958 | VAD/6 ????? |
| Description | FAQ: How to read a serial number table. |
| Final | VAD/6 11260 |
Speeds
| Description | With 14x30 rear tres, |
|---|