Introduction
Bolens HT-20 Garden Tractor
The Bolens HT-20 is a garden tractor manufactured in Port Washington, Wisconsin, USA, between 1973 and 1978. Designed for residential and light agricultural grounds maintenance, this model is recognized for its robust construction and mechanical versatility.
Engine and Performance
The tractor is powered by an air-cooled, horizontal-shaft opposed-twin engine with a displacement of 868 cc (53 ci). It delivers a gross power output of 19 hp (14.5 kW) at a rated speed of 3450 RPM. The engine features a dry air cleaner and requires an oil change every 50 hours, with a total oil capacity of 4 quarts (3.8 L).
Transmission and Drivetrain
The HT-20 utilizes a shaft-driven Sundstrand 15 hydrostatic transmission, providing infinite forward and reverse gears for precise speed control. The system uses type F automatic transmission fluid, with a total capacity of 10 quarts (9.5 L) and a recommended oil change interval of 200 hours.
Mechanical and Chassis
Built with a two-wheel drive configuration, the tractor features manual steering and disc brakes for operator control. It is equipped with an open operator station. The wheelbase measures 52 inches (132 cm), with a ground clearance of 8.5 inches (21 cm), and the machine has a shipping weight of 1090 lbs (494 kg).
Implement Compatibility
The tractor is designed to accommodate various implements, most notably a 54-inch mower deck. It includes a mechanical clutch and a 2000 RPM front PTO type. Optional rear hitch configurations, including a sleeve hitch, are available to increase the machine's utility for ground-engaging tasks.
Conclusion
The Bolens HT-20 is a durable garden tractor suited for homeowners and hobby farmers requiring a reliable, shaft-driven hydrostatic machine for lawn maintenance and light utility work.
Production Information of Bolens, HT-20
- The Bolens HT-20 carried model codes 2086 and 2087.
- Garden tractor
- Built in Port Washington, Wisconsin, USA
| Manufacturer | Bolens |
|---|
Dimension and Tires Information of Bolens, HT-20
| Ground clearance | 8.5 inches [21 cm] |
|---|---|
| Wheelbase | 52 inches [132 cm] |
| Height | 45 inches [114 cm] |
| Height(optional) | 47 inches (max) [119 cm] |
| Length | 75 inches [190 cm] |
| Shipping weight | 1090 lbs [494 kg] |
| Width | 38 inches (min) [96 cm] |
| Lawn/turf front | 18-8.50x8 |
|---|---|
| Lawn/turf rear | 26-12.00x12 |
Engine Specifications of Bolens, HT-20
- Air-cooled horizontal-shaft opposed-twin
| Starter volts | 12 |
|---|---|
| Displacement | 868 cc [53 ci] |
| Oil capacity | 4 qts [3.8 L] |
| Air cleaner | Dry |
| Bore/Stroke | 3.375x3.00 inches [86 x 76 mm] |
| Oil change | 50 h |
| Point gap | 0.020 inches [0.508 mm] |
| Sparkplug gap | 0.025 inches [0.635 mm] |
| Starter | Electric |
| Rated RPM | 3450 |
| Power (gross) | 19.5 hp [14.5 kW] |
Transmission Information of Bolens, HT-20
Transmission variants 1
| Oil change | 200 h |
|---|---|
| Transmission | Sundstrand 15 |
| Oil type | ATF F |
| Oil capacity | 10 qts [9.5 L] |
| Type | Shaft-driven hydrostatic |
| Type(optional) | ATF F |
| Gears | Infinite forward and reverse |
Mechanical Specs of Bolens, HT-20
- Two-wheel drive
- Open operator station.
- Disc brakes
| Steering | Manual |
|---|
Power Information of Bolens, HT-20
| Clutch | Mechanical |
|---|---|
| Front PTO Type | 2000 |
Three-Point Hitch of Bolens, HT-20
| Rear Type(optional) | 0 |
|---|---|
| Type(optional) | Sleeve hitch |
Electrical System of Bolens, HT-20
| Ground | Negative |
|---|---|
| Battery AH | 45 |
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 15 |
Where it sits
With 19 HP, the Bolens HT-20 sits between HT-18 (18 HP) and HT-23 (23 HP) in Bolens's range. Its power puts it in the 99th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Bolens HT-20 have?
The Bolens HT-20 delivers 19 HP.
What years was the Bolens HT-20 produced?
The Bolens HT-20 was produced in 1973-1978.
What transmission does the Bolens HT-20 use?
The Bolens HT-20 uses a Sundstrand 15 transmission.
How much does the Bolens HT-20 weigh?
The Bolens HT-20 weighs 1090 lbs [494 kg].
Is the Bolens HT-20 4WD?
The Bolens HT-20 is available in 2WD.