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Roper T633 RT-16T Hydro

Roper T633 RT-16T Hydro tractor
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The Roper T633 RT-16T Hydro is a garden tractor produced from 1974 to 1978 by Roper in Orangeburg, South Carolina, USA. It features a 16 hp Onan 660cc 2-cylinder gasoline engine with an air-cooled horizontal-shaft opposed twin design. The tractor uses a belt-driven hydrostatic transmission with infinite forward and reverse speeds. It has two-wheel drive, manual steering, and an open operator station. Tires are sized 16x6.50-8 front and 23x10.50-12 rear. Attachments include 42" and 48" mid-mount mower decks with 3-blade right-discharge designs. Electrical system is 12 volts with negative ground.
Roper T633RT-16T Hydrogarden tractorOnan enginehydrostatic transmissionlawn tractor16 hp19741978
Power-
Founded-
ModelT633

Technical Specifications

Detailed specifications and technical data for Roper T633 RT-16T Hydro

Engine

Type:gasoline
Model:Onan BF-MS
Cooling:air-cooled horizontal-shaft opposed twin
Starter:electric
Cylinders:2-cylinder
Bore/Stroke:3.125x2.625 inches (79 x 67 mm)
Displacement:660 cc (40.3 ci)
Power (gross):16 hp (11.9 kW)
Starter volts:12

Variants

T632:gear
T633:hydro

Electrical

Ground:negative
Battery volts:12

Mechanical

Drive:Two-wheel drive
Steering:Manual steering
Operator station:Open operator station

Production

Type:Garden tractor
Built in:Orangeburg, South Carolina, USA
Manufacturer:Roper
Years produced:1974 - 1978

Attachments

42" mid-mount mower deck:Roper TT21, 42 inches (106 cm), 3-blade, right-discharge
48" mid-mount mower deck:Roper TT22, 48 inches (121 cm), 3-blade, right-discharge

Transmission

Type:belt-driven hydrostatic
Gears:infinite forward and reverse

Dimensions & Tires

Rear tire:23x10.50-12
Front tire:16x6.50-8