
Gravely lawn tractors 408
Power
8 hp
Production
1970-1977
Engine
1-cylinder
Transmission
Belt-driven gear
Weight
372 lbs [168 kg]
Drive
2WD
Introduction
Gravely 408 Lawn Tractor
The Gravely 408 is a compact lawn tractor produced by Gravely in Dunbar, West Virginia, between 1970 and 1977. Designed primarily for residential lawn maintenance, this model is recognized for its straightforward mechanical configuration and durable construction.
Engine and Performance
The tractor is powered by an air-cooled, single-cylinder engine with a displacement of 304 cc (18.6 ci). It generates a gross power output of 8 hp (6.0 kW) at a rated speed of 3800 RPM. The engine utilizes a Champion 841 spark plug with a gap of 0.025 inches and is equipped with a 12-volt electric starter system.
Transmission and Drive
The drivetrain consists of a belt-driven gear transmission, providing four forward and four reverse gears. This arrangement allows the operator to select the appropriate speed for various mowing conditions. Power is delivered to the rear wheels via a two-wheel drive system.
Dimensions and Chassis
The machine features an open operator station with manual steering. It measures 143 cm in length, 83 cm in width, and 93 cm in height, with a total operating weight of 210 kg. It is fitted with lawn and turf tires, specifically 13x5.00-6 for the front and 18x8.50-8 for the rear, to provide traction while minimizing damage to turf surfaces.
Conclusion
With 6,689 units produced during its manufacturing run, the Gravely 408 remains a notable example of early 1970s lawn care equipment. Its 34-inch mower deck and compact dimensions make it suitable for homeowners requiring a reliable, manually-operated machine for standard grass cutting tasks.
Production Information of Gravely lawn tractors, 408
- Original price was $763 in 1971
- Lawn tractor
- Built in Dunbar, West Virginia, USA
| Manufacturer | Gravely |
|---|---|
| Total built | 6,689 (1970-1975) |
Dimension and Tires Information of Gravely lawn tractors, 408
| Length | 56.5 inches [143 cm] |
|---|---|
| Shipping weight | 372 lbs [168 kg] |
| Weight | 465 lbs [210 kg] |
| Width | 33 inches [83 cm] |
| Height | 37 inches [93 cm] |
| Lawn/turf front | 13x5.00-6 |
|---|---|
| Lawn/turf rear | 18x8.50-8 |
Engine Specifications of Gravely lawn tractors, 408
- Air-cooled
- 1-cylinder
| Sparkplug | Champion 841 |
|---|---|
| Displacement | 304 cc [18.6 ci] |
| Oil capacity | 1.25 qts [1.2 L] |
| Rated RPM | 3800 |
| Bore/Stroke | 2.9375x2.75 inches [75 x 70 mm] |
| Sparkplug gap | 0.025 inches [0.635 mm] |
| Sparkplug gap(optional) | 871 RJ8C |
| Starter volts | 12 |
| Starter | Electric |
| Power (gross) | 8 hp [6.0 kW] |
Transmission Information of Gravely lawn tractors, 408
Transmission variants 1
- Four gears with forward-reverse control.
| Type | Belt-driven gear |
|---|---|
| Type(optional) | SAE90W EP |
| Oil type | SAE90W EP |
| Gears | 4 forward and reverse |
| Oil capacity | 3 qts [2.8 L] |
Mechanical Specs of Gravely lawn tractors, 408
- Two-wheel drive
- Manual steering
- Open operator station.
Electrical System of Gravely lawn tractors, 408
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 8 HP, the Gravely lawn tractors 408 sits just below 424 (10 HP) in Gravely lawn tractors's range. Its power puts it in the 52th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Gravely lawn tractors 408 have?
The Gravely lawn tractors 408 delivers 8 HP.
What years was the Gravely lawn tractors 408 produced?
The Gravely lawn tractors 408 was produced in 1970-1977.
What engine does the Gravely lawn tractors 408 have?
The Gravely lawn tractors 408 is powered by a 1-cylinder engine.
What transmission does the Gravely lawn tractors 408 use?
The Gravely lawn tractors 408 uses a Belt-driven gear transmission.
How much does the Gravely lawn tractors 408 weigh?
The Gravely lawn tractors 408 weighs 372 lbs [168 kg].
Is the Gravely lawn tractors 408 4WD?
The Gravely lawn tractors 408 is available in 2WD.