Introduction
Gravely Pro Master 18-H Front-Mount Mower
Produced by Gravely between 1989 and 1991, the Pro Master 18-H is a specialized front-mount mower tractor designed for professional grounds maintenance and large-scale turf management.
Engine and Performance
The tractor is powered by a 691 cc Kohler M18 gasoline engine. This 2-cylinder, horizontally-opposed, air-cooled unit generates 18 hp (13.4 kW). It utilizes an electric starter system operating on 12 volts, with an oil capacity of 2 quarts (1.9 liters).
Transmission and Drivetrain
Power is delivered through an Eaton 850 hydrostatic transmission, which provides infinite forward and reverse gears, allowing for precise speed control during mowing operations. The machine is configured as a two-wheel-drive unit and is equipped with disc brakes for effective stopping power.
Hydraulics and Attachments
The Pro Master 18-H features an independent front power take-off (PTO) engaged via an electric clutch. This system is designed to drive front-mounted implements, specifically supporting 50-inch or 60-inch mower decks for efficient vegetation management.
Dimensions and Operator Station
The tractor features an open operator station design. With an overall length of 105 inches (266 cm) and a height of 48 inches (121 cm), it weighs 980 lbs (444 kg) when equipped with a 60-inch mower deck. It rides on lawn and turf tires sized 18x8.50-8 in the front and 4.80/4.00-8 in the rear.
Conclusion
The Gravely Pro Master 18-H is a robust, purpose-built machine optimized for turf maintenance. Its hydrostatic transmission and independent front PTO make it a practical choice for operators requiring maneuverability and consistent cutting performance.
Production Information of Gravely lawn tractors, Pro Master 18-H
- Front-mount mower
| Manufacturer | Gravely (a part of Ariens) |
|---|
Dimension and Tires Information of Gravely lawn tractors, Pro Master 18-H
| Length | 105 inches [266 cm] |
|---|---|
| Height | 48 inches [121 cm] |
| Weight | 980 lbs [444 kg] |
Weight with 60-inch mower
| Lawn/turf front | 18x8.50-8 |
|---|---|
| Lawn/turf rear | 4.80/4.00-8 |
Engine Specifications of Gravely lawn tractors, Pro Master 18-H
- Kohler M18
- Air-cooled horizontal-shaft horizontally-opposed
- Gasoline
- 2-cylinder
| Power (gross) | 18 hp [13.4 kW] |
|---|---|
| Displacement | 691 cc [42.18 ci] |
| Starter | Electric |
| Bore/Stroke | 3.12x2.75 inches [79 x 70 mm] |
| Oil capacity | 2 qts [1.9 L] |
| Starter volts | 12 |
Transmission Information of Gravely lawn tractors, Pro Master 18-H
Transmission variants 1
| Transmission | Eaton 850 |
|---|---|
| Oil capacity | 6 qts [5.7 L] |
| Type | Hydrostatic |
| Gears | Infinite forward and reverse |
Mechanical Specs of Gravely lawn tractors, Pro Master 18-H
- Two-wheel drive
- Disc brakes
- Open operator station.
Power Information of Gravely lawn tractors, Pro Master 18-H
| Front PTO | Independent |
|---|---|
| Clutch | Electric |
Electrical System of Gravely lawn tractors, Pro Master 18-H
| Ground | Negative |
|---|---|
| Charging amps | 15 |
| Battery volts | 12 |
Where it sits
With 18 HP, the Gravely lawn tractors Pro Master 18-H sits just below Pro Master 20-H (20 HP) in Gravely lawn tractors's range. Its power puts it in the 93th percentile of 1980s models in our database (977 machines).
Frequently asked questions
How much horsepower does the Gravely lawn tractors Pro Master 18-H have?
The Gravely lawn tractors Pro Master 18-H delivers 18 HP.
What years was the Gravely lawn tractors Pro Master 18-H produced?
The Gravely lawn tractors Pro Master 18-H was produced in 1989-1991.
What engine does the Gravely lawn tractors Pro Master 18-H have?
The Gravely lawn tractors Pro Master 18-H is powered by a Gasoline, 2-cylinder engine.
What transmission does the Gravely lawn tractors Pro Master 18-H use?
The Gravely lawn tractors Pro Master 18-H uses a Eaton 850 transmission.
How much does the Gravely lawn tractors Pro Master 18-H weigh?
The Gravely lawn tractors Pro Master 18-H weighs 980 lbs*Weight with 60-inch mower [444 kg].
Is the Gravely lawn tractors Pro Master 18-H 4WD?
The Gravely lawn tractors Pro Master 18-H is available in 2WD.