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Gravely 12-G vs Gravely 430
Verdict: Gravely 12-G vs Gravely 430
The Gravely 12-G and the Gravely 430 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. Gravely 12-G is the lighter machine (385 kg vs 408 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gravely 12-G holds more fuel (20.1 L vs 18.9 L) for longer stints between fills. Gravely 12-G is the newer design (1987 vs 1967). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Gravely
62
Fit score
Best match
Clear
Gravely
62
Fit score
Best match
Clear
Rated power
12 hp
12 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
GravelyReference
GravelyReference
air-cooledReference
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
Steering
—
manualReference
Engine
Fuel tank
20.1 LReference
18.9 LReference
Power
8.9 kWReference
8.9 kWReference
Oil capacity
5.7 LReference
4.7 LReference
Displacement
—
30 ciReference
Bore/Stroke
—
90 x 76 mmReference
Power (gross)
—
8.9 kWReference
Air cleaner
—
single dry elementReference
Rated RPM
—
3600Reference
Starter volts
—
12Reference
Sparkplug
—
Champion H-10Reference
Sparkplug gap
—
0.635 mmReference
Intake valve clearance
—
0.229 mmReference
Exhaust valve clearance
—
0.457 mmReference
Transmission
Type
shaft-driven gearReference
shaft-driven gearReference
Gears
8 forward and 4 reverseReference
4 forward and reverseReference
Oil type
SC10W-30Reference
SAE 90W-EPReference
Transmission
—
Swiftamatic 8Reference
Clutch
—
friction coneReference
Dimensions
Wheelbase
132 cmReference
116 cmReference
Weight
385 kgReference
408 kgReference
Front tire
16x6.50-8Reference
16-6.50x6Reference
Rear tire
23x8.50-12Reference
23-8.50x12Reference
Lawn/turf front
16x6.50-8Reference
16-6.50x6Reference
Lawn/turf rear
23x8.50-12Reference
23-8.50x12Reference
Length
208 cmReference
191 cmReference
Width
105 cmReference
92 cmReference
Height
129 cmReference
109 cmReference
Shipping weight
—
408 kgReference
Clearance (front axle)
—
25 cmReference
Clearance (rear axle)
—
16 cmReference
Front tread
—
77 cmReference
Rear tread
—
71 cmReference
Gravely 12-G attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Attachment overview
PTO & Hydraulics
Gravely 430 attachments
430 Serial Numbers
Location:
—
Ahead of rear axle on left side.Reference
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.