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Gravely 432

Gravely 432 tractor
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The Gravely 432 is a garden tractor produced from 1967 to 1972 as part of the 400 Series. It features a 14 hp Kohler K321 512cc 1-cylinder air-cooled gasoline engine, a 4-speed Swiftamatic 8 shaft-driven gear transmission with friction cone clutch, and two-wheel drive with manual steering and mechanical band brakes. The tractor has a wheelbase of 46 inches, weighs 900 lbs, and uses lawn/turf tires sized 16-6.50x6 front and 23-8.50x12 rear. Optional sleeve hitch is available. Attachments include 40" and 50" mid-mount mower decks, a 48" front-mount blade, and a 38" front-mount two-stage snow blower. Electrical system is 12 volts with negative ground.
Gravely 432garden tractorKohler K321 engine14 hpSwiftamatic transmissionmower deckssnow blowerbladetractor specifications
Power14 hp
Founded40/50" deck
Model432

Technical Specifications

Detailed specifications and technical data for Gravely 432

Engine

Type:gasoline
Model:Kohler K321
Cooling:air-cooled horizontal-shaft
Cylinders:1-cylinder
Fuel tank:5 gal (18.9 L)
Rated RPM:3600
Sparkplug:Champion H-10
Air cleaner:single dry element
Bore/Stroke:3.25x3.50 inches (83 x 89 mm)
Displacement:512 cc (31.27 ci)
Oil capacity:2.5 qts (2.4 L)
Power (gross):14 hp (10.4 kW)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:12
Intake valve clearance:0.009 inches (cold) (0.229 mm)
Exhaust valve clearance:0.018 inches (cold) (0.457 mm)

Chassis

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Steering:manual
Operator station:Open operator station

Dimensions

Width:36.25 inches (92 cm)
Height:43 inches (109 cm)
Length:75.5 inches (191 cm)
Rear tire:23-8.50x12
Wheelbase:46 inches (116 cm)
Front tire:16-6.50x6
Rear tread:28 inches (71 cm)
Front tread:30.5 inches (77 cm)
Shipping weight:900 lbs (408 kg)
Clearance (rear axle):6.375 inches (16 cm)
Clearance (front axle):10 inches (25 cm)

Electrical

Ground:negative
Battery volts:12

Production

Type:Garden tractor
Series:400 Series
Manufacturer:Gravely
Years produced:1967 - 1972

Attachments

Notes:Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.
48" Blade:front-mount, 48 inches width (121 cm), 16.5 inches height (41 cm), angling 25°, 130 lbs (58 kg), manual-lift, manual-angle
38" Snow blower:front-mount, 38 inches width (96 cm), two-stage, manual-lift, 250 lbs (113 kg)
40" mid-mount mower deck:40 inches (101 cm) width, total width 43.4 inches (110 cm), 3-blade, manual lift, right-discharge, cut height 1.5 to 3.5 inch (3 to 8 cm), weight 148 lbs (67 kg)
50" mid-mount mower deck:50 inches (127 cm) width, total width 53.4 inches (135 cm), 3-blade, manual lift, right-discharge, cut height 1.5 to 3.5 inch (3 to 8 cm), weight 205 lbs (92 kg)

Transmission

Type:Swiftamatic 8 shaft-driven gear
Gears:4 forward and reverse
Notes:Two-speed shift-on-the-move affects transmission and PTO speed. Additional two-speed range for transmission can be shifted only when stopped. Right-hand directional clutch lever controls forward and reverse.
Clutch:friction cone
Oil type:SAE 90W-EP
Oil capacity:5 qts (4.7 L)

Tractor hitch

Type:sleeve hitch (Optional)

Serial numbers

Location:Ahead of rear axle on left side.

Related Models

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Gravely 430

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Gravely 450

Model:450