Gravely lawn tractors

Gravely Pro Master 30-H

The Gravely Pro Master 30-H is a front-mount mower lawn tractor produced from 1989 to 1991 by Gravely, a part of Ariens. It features a 30 hp Yanmar 3-cylinder liquid-cooled diesel engine, hydrostatic transmission with infinite forward and reverse speeds, and a 72-inch front-mount mower deck with hydraulic lift. The tractor has a wheelbase of 48 inches, weighs 1400 lbs, and uses two-wheel drive with drum brakes. Electrical system includes a 12-volt battery with 40 amps charging. It is designed with an open operator station and independent front PTO with disc clutch.
Power-
Founded-
ModelPro Master 30-H

Technical Specifications

Detailed specifications and technical data for Gravely Pro Master 30-H

Tires
Rear tire16x7.5-8
Front tire23x10.5-12
Engine
Typediesel
ModelYanmar 3TN82E
Coolingliquid-cooled inline
Starterelectric
Cylinders3-cylinder
Fuel tank10.6 gal (40.1 L)
Bore/Stroke3.22x3.39 inches (82 x 86 mm)
Displacement1362 cc (83.1 ci)
Oil capacity5 qts (4.7 L)
Power (gross)30 hp (22.4 kW)
Starter volts12
Dimensions
Width48 inches (121 cm)
Height55 inches (139 cm)
Length86 inches (218 cm)
Weight1400 lbs (635 kg)
Wheelbase48 inches (121 cm)
Electrical
Groundnegative
Battery volts12
Charging amps40
Production
TypeFront-mount mower
Years made1989 - 1991
Attachments
Weight460 lbs (208 kg)
Cut height1.5 to 4.5 inch (3 to 11 cm)
Cutting width72 inches (182 cm)
72" front-mount mower deck3-blade with hydraulic lift
Transmission
Typehydrostatic
Gearsinfinite forward and reverse (2-range)
ModelSundstrand 15U
Oil capacity8 qts (7.6 L)
Brakes and Drive
DriveTwo-wheel drive
BrakesDrum brakes
Operator stationOpen operator station
Power Take-off (PTO)
Clutchdisc
Front PTOindependent