1989 - 1991
| 1989 - 1991 |
| Front-mount mower |
Series:
| Series: | Pro Master 20-H ← | Pro Master 30-H |
1989 - 1991
| 1989 - 1991 |
| Front-mount mower |
Series:
| Series: | Pro Master 18-H ← | Pro Master 20-H | → Pro Master 30-H |
Production
| Production |
| Manufacturer | Gravely (a part of Ariens) |
| Type | Front-mount mower |
Gravely Pro Master 20-H Engines
| Gravely Pro Master 20-H Engines |
| 20HP Kohler 770cc 2-cyl gasoline |
| 20HP Onan 781cc 2-cyl gasoline |
| Fuel tank | 5.3 gal
20.1 L |
| Engine details ... |
Gravely Pro Master 20-H Transmission
| Gravely Pro Master 20-H Transmission |
| hydrostatic |
| Transmission details ... |
Mechanical
| Mechanical |
| Chassis | 4x2 2WD |
| Brakes | disc |
| Cab | Open operator station. |
Power Take-off (PTO)
| Power Take-off (PTO) |
| Front PTO | independent |
| Clutch | electric |
Dimensions & Tires
| Dimensions & Tires |
| Weight | 980 lbs
444 kg |
| Front tire | 18x8.50-8 |
| Rear tire | 4.80/4.00-8 |
| Full dimensions and tires ... |
Electrical
| Electrical |
| Ground | negative |
| Charging amps | 15 (Kohler) |
| | 20 (Onan) |
| Battery volts | 12 |
Production
| Production |
| Manufacturer | Gravely (a part of Ariens) |
| Type | Front-mount mower |
Gravely Pro Master 30-H Engine
| Gravely Pro Master 30-H Engine |
| 30HP Yanmar 1362cc 3-cyl diesel |
| Fuel tank | 10.6 gal
40.1 L |
| Engine details ... |
1989 - 1991
| 1989 - 1991 |
| Front-mount mower |
Series:
| Series: | Pro Master 20-H ← | Pro Master 30-H |
Engine Detail
| Engine Detail |
| Yanmar 3TN82E |
| diesel |
| 3-cylinder |
| liquid-cooled inline |
| Displacement | 1362 cc
83.1 ci |
| Bore/Stroke | 3.22x3.39 inches
82 x 86 mm |
| Power (gross) | 30 hp
22.4 kW |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 5 qts
4.7 L |
Gravely Pro Master 30-H Transmission
| Gravely Pro Master 30-H Transmission |
| hydrostatic |
| Transmission details ... |
1989 - 1991
| 1989 - 1991 |
| Front-mount mower |
Series:
| Series: | Pro Master 20-H ← | Pro Master 30-H |
Transmission
| Transmission |
| Transmission | Sundstrand 15U |
| Type | hydrostatic |
| Gears | infinite forward and reverse (2-range) |
| Oil capacity | 8 qts
7.6 L |
Speeds
Mechanical
| Mechanical |
| Chassis | 4x2 2WD |
| Brakes | drum |
| Cab | Open operator station. |
Power Take-off (PTO)
| Power Take-off (PTO) |
| Front PTO | independent |
| Clutch | disc |
Dimensions & Tires
| Dimensions & Tires |
| Wheelbase | 48 inches
121 cm |
| Weight | 1400 lbs
635 kg |
| Front tire | 23x10.5-12 |
| Rear tire | 16x7.5-8 |
| Full dimensions and tires ... |
1989 - 1991
| 1989 - 1991 |
| Front-mount mower |
Series:
| Series: | Pro Master 20-H ← | Pro Master 30-H |
Gravely Pro Master 30-H Tires
| Gravely Pro Master 30-H Tires |
| Lawn/turf front | 23x10.5-12 |
| Lawn/turf rear | 16x7.5-8 |
Electrical
| Electrical |
| Ground | negative |
| Charging amps | 40 |
| Battery volts | 12 |
