Introduction
Sears ST/16 Garden Tractor
The Sears ST/16 is a garden tractor produced by Roper between 1973 and 1976. This model was designed for residential and light-duty property maintenance, offering a compact architecture suited for lawn care and small-scale garden tasks.
Engine and Powertrain
The tractor is powered by a 16 hp (11.9 kW) air-cooled, single-cylinder gasoline engine with a horizontal shaft. It features a displacement of 453 cc (27.66 ci) and utilizes an electric starter system. Maintenance requirements include oil changes every 25 hours, with specific valve clearance settings of 0.005 inches for the intake and 0.010 inches for the exhaust.
Transmission and Operation
The drivetrain consists of a belt-driven gear transmission providing six forward speeds and two reverse speeds, organized into two ranges (high and low). The machine is configured as a two-wheel-drive unit with manual steering and an open operator station. It features an independent mid-power take-off (PTO) engaged via a manual clutch, which facilitates the operation of implements such as 42-inch or 48-inch mower decks.
Dimensions and Chassis
The ST/16 has a wheelbase of 43.5 inches (110 cm) and a total length of 66 inches (167 cm). The width is 36.5 inches (92 cm), and the height is 40 inches (101 cm). The shipping weight of the unit is 670 lbs (303 kg). It is equipped with lawn and turf tires, specifically 16x5.50 at the front and 23x9.50 at the rear, designed to minimize soil compaction.
Conclusion
The Sears ST/16 represents a classic era of garden tractors, providing basic utility for homeowners through its versatile gearing and mower deck compatibility. Its robust construction and simple mechanical design make it a functional choice for those focused on standard landscaping and garden maintenance.
Production Information of Sears lawn tractors, ST/16
- Original price was $1,017
- Garden tractor
| Distributor | Sears |
|---|---|
| Manufacturer | Roper |
Dimension and Tires Information of Sears lawn tractors, ST/16
| Wheelbase | 43.5 inches [110 cm] |
|---|---|
| Shipping weight | 670 lbs [303 kg] |
| Height | 40 inches [101 cm] |
| Length | 66 inches [167 cm] |
| Width | 36.5 inches [92 cm] |
| Lawn/turf front | 16x5.50 |
|---|---|
| Lawn/turf rear | 23x9.50 |
Engine Specifications of Sears lawn tractors, ST/16
- Air-cooled horizontal-shaft
- Gasoline
- 1-cylinder
| Sparkplug gap | 0.030 inches [0.762 mm] |
|---|---|
| Displacement | 453 cc [27.66 ci] |
| Starter | Electric |
| Bore/Stroke | 3.50x2.875 inches [89 x 73 mm] |
| Exhaust valve clearance | 0.010 inches [0.254 mm] |
| Intake valve clearance | 0.005 inches [0.127 mm] |
| Oil change | 25 h |
| Starter volts | 12 |
| Power (gross) | 16 hp [11.9 kW] |
Transmission Information of Sears lawn tractors, ST/16
Transmission variants 1
- Three gears (1-3) plus reverse (R) with two ranges (low and high).
| Type | Belt-driven gear |
|---|---|
| Gears | 6 forward and 2 reverse |
Mechanical Specs of Sears lawn tractors, ST/16
- Two-wheel drive
- Manual steering
- Open operator station.
Power Information of Sears lawn tractors, ST/16
| Mid PTO | Independent |
|---|---|
| Clutch | Manual |
Three-Point Hitch of Sears lawn tractors, ST/16
| Type(optional) | Sears 3-Point |
|---|
Electrical System of Sears lawn tractors, ST/16
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 16 HP, the Sears lawn tractors ST/16 sits between Suburban 15 (15 HP) and 18/6 Twin (18 HP) in Sears lawn tractors's range. Its power puts it in the 95th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Sears lawn tractors ST/16 have?
The Sears lawn tractors ST/16 delivers 16 HP.
What years was the Sears lawn tractors ST/16 produced?
The Sears lawn tractors ST/16 was produced in 1973-1976.
What engine does the Sears lawn tractors ST/16 have?
The Sears lawn tractors ST/16 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Sears lawn tractors ST/16 use?
The Sears lawn tractors ST/16 uses a Belt-driven gear transmission.
How much does the Sears lawn tractors ST/16 weigh?
The Sears lawn tractors ST/16 weighs 670 lbs [303 kg].
Is the Sears lawn tractors ST/16 4WD?
The Sears lawn tractors ST/16 is available in 2WD.