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Gravely 432 vs Gravely 812
Verdict: Gravely 432 vs Gravely 812
The Gravely 432 and the Gravely 812 are both lawn tractors — here is how they stack up on the figures that matter. Gravely 432 leads on rated power with 14 hp against 12 hp. Gravely 812 holds more fuel (20.1 L vs 18.9 L) for longer stints between fills. Gravely 812 is the newer design (1973 vs 1967). In short: choose the Gravely 432 for outright pulling power, or the Gravely 812 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
Gravely
62
Fit score
Best match
Clear
Gravely
62
Fit score
Best match
Clear
Rated power
14 hp
12 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
GravelyReference
GravelyReference
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.Reference
air-cooled horizontal-shaftReference
Steering
manualReference
—
Engine
Fuel tank
18.9 LReference
20.1 LReference
Displacement
31.27 ciReference
29.07 ciReference
Bore/Stroke
83 x 89 mmReference
83 x 86 mmReference
Power (gross)
10.4 kWReference
—
Air cleaner
single dry elementReference
—
Rated RPM
3600Reference
3600Reference
Starter volts
12Reference
12Reference
Sparkplug
Champion H-10Reference
—
Sparkplug gap
0.635 mmReference
0.635 mmReference
Intake valve clearance
0.229 mmReference
0.229 mmReference
Exhaust valve clearance
0.457 mmReference
0.457 mmReference
Oil capacity
4.7 LReference
5.7 LReference
Power
—
8.9 kWReference
Starter
—
electricReference
Transmission
Transmission
Swiftamatic 8Reference
—
Gears
4 forward and reverseReference
8 forward and 4 reverseReference
Clutch
friction coneReference
—
Oil type
SAE 90W-EPReference
SAE30Reference
PTO & Hydraulics
Type
shaft-driven gearReference
shaft-driven gearReference
Dimensions
Wheelbase
116 cmReference
—
Weight
408 kgReference
408 kgReference
Front tire
16-6.50x6Reference
16x6.50-8Reference
Rear tire
23-8.50x12Reference
23x8.50-12Reference
Lawn/turf front
16-6.50x6Reference
16x6.50-8Reference
Lawn/turf rear
23-8.50x12Reference
23x8.50-12Reference
Length
191 cmReference
191 cmReference
Width
92 cmReference
92 cmReference
Height
109 cmReference
109 cmReference
Shipping weight
408 kgReference
408 kgReference
Clearance (front axle)
25 cmReference
—
Clearance (rear axle)
16 cmReference
—
Front tread
77 cmReference
—
Rear tread
71 cmReference
—
Gravely 432 attachments
432 Serial Numbers
Location:
Ahead of rear axle on left side.Reference
In front of, and below, air cleaner.Reference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
—
43Reference
Battery Group
—
22FReference
Attachment overview
Gravely 812 attachments
812 Serial Numbers
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.