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Gravely 424 vs Gravely 8102
Verdict: Gravely 424 vs Gravely 8102
The Gravely 424 and the Gravely 8102 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 10 hp. Gravely 8102 is the lighter machine (399 kg vs 408 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gravely 8102 holds more fuel (20.1 L vs 18.9 L) for longer stints between fills. Gravely 8102 is the newer design (1979 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
10 hp
10 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
Four gears (1-4) in two ranges (low-high) with forward/reverse clutches. The directional clutch must be in neutral to shift gears or ranges.Reference
Steering
manualReference
—
Engine
Fuel tank
18.9 LReference
20.1 LReference
Displacement
30 ciReference
23.9 ciReference
Bore/Stroke
90 x 76 mmReference
73 x 83 mmReference
Power (gross)
7.5 kWReference
7.5 kWReference
Air cleaner
single dry elementReference
—
Rated RPM
3600Reference
—
Starter volts
12Reference
12Reference
Sparkplug
Champion H-10Reference
—
Sparkplug gap
0.635 mmReference
—
Intake valve clearance
0.229 mmReference
—
Exhaust valve clearance
0.457 mmReference
—
Oil capacity
4.7 LReference
5.7 LReference
Power
7.5 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
10W-40 SCReference
PTO & Hydraulics
Type
shaft-driven gearReference
gearReference
Dimensions
Wheelbase
116 cmReference
—
Weight
408 kgReference
399 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
—
Shipping weight
408 kgReference
399 kgReference
Clearance (front axle)
25 cmReference
—
Clearance (rear axle)
16 cmReference
—
Front tread
77 cmReference
—
Rear tread
71 cmReference
—
Height (steering wheel)
—
109 cmReference
Gravely 424 attachments
424 Serial Numbers
Location:
Ahead of rear axle on left side.Reference
—
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Attachment overview
Gravely 8102 attachments
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.