Introduction
Sears GT/18 Garden Tractor
The Sears GT/18 is a garden tractor produced by Roper between 1978 and 1980. Part of the GT series, this two-wheel-drive machine was designed for residential lawn maintenance and versatile garden tasks.
Engine and Performance
The tractor is powered by an air-cooled, horizontal-shaft opposed twin-cylinder engine with a displacement of 781 cc (47.7 ci). It provides a gross power output of 18 hp (13.4 kW). The engine utilizes an electric starter and requires an oil change every 25 hours, with a total oil capacity of 1.7 liters.
Transmission and Drivetrain
The GT/18 utilizes a Peerless belt-driven gear transmission, offering 6 forward and 2 reverse speeds. Power transfer is managed by a mechanical clutch system. The tractor is configured as a two-wheel-drive unit, featuring manual steering and mechanical band brakes for operator control.
Electrical and PTO
The electrical system operates on 12 volts, supported by an alternator charging system rated at 15 amps. For implement operation, the tractor is equipped with an independent front power take-off (PTO) engaged via a mechanical clutch.
Physical Specifications
The unit measures 173 cm in length, 92 cm in width, and 101 cm in height, with a shipping weight of approximately 280 kg. It is designed to accommodate 42-inch or 48-inch mower decks. Traction is provided by 16x6.50-8 front turf tires and 23x10.00-12 rear turf tires.
Conclusion
The Sears GT/18 is a robust garden tractor suitable for homeowners and collectors requiring a reliable machine for mowing and basic gardening duties. Its mechanical simplicity and parts compatibility with the broader GT series maintain its utility for ongoing maintenance.
Production Information of Sears lawn tractors, GT/18
- Original price was $2,579 in 1979
- Garden tractor
| Distributor | Sears |
|---|---|
| Manufacturer | Roper |
Dimension and Tires Information of Sears lawn tractors, GT/18
| Length | 68.5 inches [173 cm] |
|---|---|
| Shipping weight | 619 lbs [280 kg] |
| Width | 36.5 inches [92 cm] |
| Height | 40 inches [101 cm] |
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x10.00-12 |
Engine Specifications of Sears lawn tractors, GT/18
- Air-cooled horizontal-shaft opposed twin
| Power (gross) | 18 hp [13.4 kW] |
|---|---|
| Displacement | 781 cc [47.7 ci] |
| Oil capacity | 1.75 qts [1.7 L] |
| Starter | Electric |
| Bore/Stroke | 3.25x2.875 inches [83 x 73 mm] |
| Oil change | 25 h |
| Starter volts | 12 |
Transmission Information of Sears lawn tractors, GT/18
Transmission variants 1
| Transmission | Peerless |
|---|---|
| Oil capacity | 5 qts [4.7 L] |
| Clutch | Mechanical idler pulley |
| Type | Belt-driven gear |
| Oil change | 480 h |
| Oil type | SAE 30 |
| Gears | 6 forward and 2 reverse |
Mechanical Specs of Sears lawn tractors, GT/18
- Two-wheel drive
- Open operator station.
- Manual steering
- Mechanical band brakes
Power Information of Sears lawn tractors, GT/18
| Front PTO | Independent |
|---|---|
| Clutch | Mechanical |
Electrical System of Sears lawn tractors, GT/18
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Charging amps | 15 |
Where it sits
With 18 HP, the Sears lawn tractors GT/18 sits between GT/16 (16 HP) and GT/19.9 (19 HP) in Sears lawn tractors's range. Its power puts it in the 98th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Sears lawn tractors GT/18 have?
The Sears lawn tractors GT/18 delivers 18 HP.
What years was the Sears lawn tractors GT/18 produced?
The Sears lawn tractors GT/18 was produced in 1978-1980.
What transmission does the Sears lawn tractors GT/18 use?
The Sears lawn tractors GT/18 uses a Peerless transmission.
How much does the Sears lawn tractors GT/18 weigh?
The Sears lawn tractors GT/18 weighs 619 lbs [280 kg].
Is the Sears lawn tractors GT/18 4WD?
The Sears lawn tractors GT/18 is available in 2WD.