Gravely lawn tractors 430
Power
12 hp
Production
1967-1972
Engine
1-cylinder
Transmission
Swiftamatic 8
Weight
900 lbs [408 kg]
Drive
2WD
From the same series:
Introduction
Gravely 430 Garden Tractor
The Gravely 430 is a garden tractor produced between 1967 and 1972. Designed for residential property maintenance and versatile landscaping tasks, this unit is recognized for its mechanical simplicity and robust construction.
Engine and Power
The tractor is powered by an air-cooled Onan NB single-cylinder engine with a displacement of 491 cc (30 ci). It generates 12 horsepower (8.9 kW) at a rated speed of 3600 RPM. The engine uses a Champion H-10 spark plug with a gap of 0.025 inches.
Transmission and Drivetrain
The drivetrain features the Swiftamatic 8 transmission, which utilizes a shaft-driven gear system. It provides 4 forward and 4 reverse gears. The system includes a two-speed shift-on-the-move capability that affects both transmission and PTO speeds, plus an additional two-speed range that must be selected while stationary. A right-hand directional clutch lever manages forward and reverse movement using a friction cone clutch.
Mechanical and Dimensions
The Gravely 430 is a two-wheel-drive machine with manual steering and mechanical band brakes. It has a wheelbase of 46 inches, a total length of 75.5 inches, and a width of 36.25 inches. The tractor provides a ground clearance of 10 inches at the front axle and 6.375 inches at the rear axle. The shipping weight is 408 kg (900 lbs).
Equipment and Tires
The unit is equipped with lawn and turf tires, sized 16-6.50x6 for the front and 23-8.50x12 for the rear. It is designed to accommodate 40-inch or 50-inch mower decks, and includes an optional sleeve hitch for various ground-engaging attachments.
Conclusion
The Gravely 430 is a durable garden tractor suited for landowners requiring a compact, maneuverable machine for mowing and light utility work. Its mechanical configuration and availability of various attachments make it a versatile choice for property maintenance.
Production Information of Gravely lawn tractors, 430
- Garden tractor
| Manufacturer | Gravely |
|---|
Dimension and Tires Information of Gravely lawn tractors, 430
| Clearance (rear axle) | 6.375 inches [16 cm] |
|---|---|
| Wheelbase | 46 inches [116 cm] |
| Shipping weight | 900 lbs [408 kg] |
| Height | 43 inches [109 cm] |
| Length | 75.5 inches [191 cm] |
| Front tread | 30.5 inches [77 cm] |
| Clearance (front axle) | 10 inches [25 cm] |
| Width | 36.25 inches [92 cm] |
| Rear tread | 28 inches [71 cm] |
| Lawn/turf front | 16-6.50x6 |
|---|---|
| Lawn/turf rear | 23-8.50x12 |
Engine Specifications of Gravely lawn tractors, 430
- Onan NB
- Air-cooled
- 1-cylinder
| Displacement | 491 cc [30 ci] |
|---|---|
| Starter volts | 12 |
| Sparkplug | Champion H-10 |
| Bore/Stroke | 3.5625x3.00 inches [90 x 76 mm] |
| Power | 12 hp [8.9 kW] |
| Rated RPM | 3600 |
| Starter volts | 12 |
| Rated RPM | 3600 |
| Exhaust valve clearance | 0.018 inches [0.457 mm] |
| Intake valve clearance | 0.009 inches [0.229 mm] |
| Sparkplug gap | 0.025 inches [0.635 mm] |
Cold
Cold
Transmission Information of Gravely lawn tractors, 430
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 capacity | 5 qts [4.7 L] |
| Clutch | Friction cone |
| Type | Shaft-driven gear |
| Oil type | SAE 90W-EP |
| Gears | 4 forward and reverse |
Mechanical Specs of Gravely lawn tractors, 430
- Two-wheel drive
- Open operator station.
- Mechanical band brakes
| Steering | Manual |
|---|
Three-Point Hitch of Gravely lawn tractors, 430
| Type(optional) | Sleeve hitch |
|---|
Electrical System of Gravely lawn tractors, 430
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 12 HP, the Gravely lawn tractors 430 sits between 424 (10 HP) and 432 (14 HP) in Gravely lawn tractors's range. Its power puts it in the 97th percentile of 1960s models in our database (550 machines).
Frequently asked questions
How much horsepower does the Gravely lawn tractors 430 have?
The Gravely lawn tractors 430 delivers 12 HP.
What years was the Gravely lawn tractors 430 produced?
The Gravely lawn tractors 430 was produced in 1967-1972.
What engine does the Gravely lawn tractors 430 have?
The Gravely lawn tractors 430 is powered by a 1-cylinder engine.
What transmission does the Gravely lawn tractors 430 use?
The Gravely lawn tractors 430 uses a Swiftamatic 8 transmission.
How much does the Gravely lawn tractors 430 weigh?
The Gravely lawn tractors 430 weighs 900 lbs [408 kg].
Is the Gravely lawn tractors 430 4WD?
The Gravely lawn tractors 430 is available in 2WD.