Introduction
Gravely 450 Garden Tractor
The Gravely 450 is a garden tractor produced in 1970, designed for residential property maintenance and versatile landscaping tasks. It belongs to a lineage of compact machinery known for mechanical simplicity and durability.
Engine and Performance
The tractor is powered by a 2-cylinder, air-cooled engine with a displacement of 49.8 cubic inches (816 cc). It generates 16.5 horsepower at a rated speed of 3600 RPM. The engine features a dry element air cleaner and requires 1.9 liters of oil. Maintenance specifications include a sparkplug gap of 0.025 inches and an intake and exhaust valve clearance of 0.011 inches when cold.
Transmission and Drivetrain
The machine utilizes the Swiftamatic 8 shaft-driven gear transmission, providing 4 forward and 4 reverse gears. It features a right-hand directional clutch lever for switching direction. A two-speed shift-on-the-move system affects both transmission and PTO output speeds. An additional two-speed range is available, though it must be engaged while the tractor is stationary.
Mechanical and Dimensions
The Gravely 450 is a two-wheel-drive tractor equipped with manual steering and an open operator station. It measures 75.5 inches in length, 41.75 inches in width, and 109 cm in height, with a shipping weight of 950 lbs (430 kg). It operates on a 12-volt electrical system with a negative ground.
Conclusion
The Gravely 450 is a compact, robust garden tractor suitable for homeowners requiring a reliable machine for mowing and light utility work. Its compatibility with 30, 40, and 50-inch mower decks and its straightforward manual controls make it a functional tool for diverse garden maintenance needs.
Production Information of Gravely lawn tractors, 450
- Garden tractor
| Manufacturer | Gravely |
|---|
Dimension and Tires Information of Gravely lawn tractors, 450
| Length | 75.5 inches [191 cm] |
|---|---|
| Shipping weight | 950 lbs [430 kg] |
| Width | 41.75 inches [106 cm] |
| Height | 43 inches [109 cm] |
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x8.50-12 |
Engine Specifications of Gravely lawn tractors, 450
- Air-cooled
- 2-cylinder
| Sparkplug gap | 0.025 inches [0.635 mm] |
|---|---|
| Displacement | 816 cc [49.8 ci] |
| Oil capacity | 2 qts [1.9 L] |
| Air cleaner | Dry element |
| Bore/Stroke | 3.00x3.25 inches [76 x 83 mm] |
| Exhaust valve clearance | 0.011 inches [0.279 mm] |
| Intake valve clearance | 0.011 inches [0.279 mm] |
| Starter volts | 12 |
| Rated RPM | 3600 |
| Power | 16.5 hp [12.3 kW] |
Cold
Cold
Transmission Information of Gravely lawn tractors, 450
Transmission variants 1
- Two-speed shift-on-the-move affects transmission and PTO speed. Additional two-speed range for transmission can be shifted only when stopped. Right-hand directional clutch lever controls forward and reverse.
| Transmission | Swiftamatic 8 |
|---|---|
| Oil type | SAE 90W-EP |
| Oil capacity | 5 qts [4.7 L] |
| Type | Shaft-driven gear |
| Type(optional) | SAE 90W-EP |
| Gears | 4 forward and reverse |
Mechanical Specs of Gravely lawn tractors, 450
- Two-wheel drive
- Manual steering
- Open operator station.
Electrical System of Gravely lawn tractors, 450
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 16 HP, the Gravely lawn tractors 450 sits just above 432 (14 HP) in Gravely 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 Gravely lawn tractors 450 have?
The Gravely lawn tractors 450 delivers 16 HP.
What years was the Gravely lawn tractors 450 produced?
The Gravely lawn tractors 450 was produced in 1970.
What engine does the Gravely lawn tractors 450 have?
The Gravely lawn tractors 450 is powered by a 2-cylinder engine.
What transmission does the Gravely lawn tractors 450 use?
The Gravely lawn tractors 450 uses a Swiftamatic 8 transmission.
How much does the Gravely lawn tractors 450 weigh?
The Gravely lawn tractors 450 weighs 950 lbs [430 kg].
Is the Gravely lawn tractors 450 4WD?
The Gravely lawn tractors 450 is available in 2WD.