Overview
The Custom Model H is a farm tractor manufactured between 1948 and 1950 in Shelbyville, Indiana, available in both tricycle and wide front variants. It is powered by a 230.2 cubic inch Chrysler 6-cylinder gasoline engine rated at 56 horsepower at 1800 RPM. The machine features a five-speed gear transmission and an open operator station with manual steering.
Ideal Applications
Powertrain and Engine Performance:
The liquid-cooled Chrysler 6A engine delivers 152 lb-ft of torque at 1200 RPM and operates with a 6.7:1 compression ratio.
Transmission and Drive Configuration:
The mechanical layout consists of a two-wheel drive system equipped with five forward gears and one reverse gear.
Belt Pulley and Dimensions:
The 11-inch diameter belt pulley operates at 1011 RPM, while the tractor's overall weight ranges from 4136 to 4296 pounds depending on the HR or HW variant.
Production
| Description | Row-Crop tractor / Built in Shelbyville, Indiana, USA |
|---|---|
| Manufacturer | Custom |
Engine
| Engine type | Chrysler 3.8L 6-cyl gasoline |
|---|---|
| Bore/Stroke | 3.25x4.625 inches (83 x 117 mm) |
| Compression | 6.7:1 |
| Description | Chrysler 6A / gasoline / 6-cylinder / liquid-cooled |
| Displacement | 230.2 ci (3.8 L) |
| Power | 56 hp (41.8 kW) |
| Rated RPM | 1800 |
| Torque | 152 lb-ft (206.1 Nm) |
| Torque RPM | 1200 |
Transmission
| Gears | 5 forward and 1 reverse |
|---|---|
| Transmission type | 5-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
Dimensions & Tires
| HR Standard tires (ag) | Front: 6-16. Rear: 11-38 |
|---|---|
| HW Standard tires (ag) | Front: 6-16. Rear: 12-30 |
| HR Height | 80 inches (203 cm) |
| HR Length | 136.875 inches (347 cm) |
| HR Rear tread | 56 to 84 inches (142 to 213 cm) |
| HR Weight | 4136 lbs (1876 kg) |
| HR Wheelbase | 91.5 inches (232 cm) |
| HW Front tread | 55.5 to 61.5 inches (140 to 156 cm) |
| HW Height | 78 inches (198 cm) |
| HW Length | 134.875 inches (342 cm) |
| HW Rear tread | 66.5 to 78.5 inches (168 to 199 cm) |
| HW Weight | 4296 lbs (1948 kg) |
| HW Wheelbase | 91.375 inches (232 cm) |
| Front tire | 6-16 |
| HR Wheelbase | 91.5 inches (232 cm) |
| HW Rear tire | 12-30 |
| HW Wheelbase | 91.375 inches (232 cm) |
| Weight | 4136 to 4296 pounds |
Belt Pulley
| Diameter | 11 inches (27 cm) |
|---|---|
| RPM | 1011 |
| Speed | 2911 ft/min (887.27 meters/min) |
| Width | 7.5 inches (19 cm) |
References
| Description | Orphan Tractors by Bill Vossler |
|---|
Speeds
| Description | With 11-38 rear tires. |
|---|
Variants
| HR | tricycle front |
|---|---|
| HW | wide front |