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Gravely 818 vs Gravely 8183
Verdict: Gravely 818 vs Gravely 8183
The Gravely 818 and the Gravely 8183 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 18 hp. Gravely 8183 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 8183 is the newer design (1979 vs 1978). 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
18 hp
18 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
GravelyReference
GravelyReference
air-cooled horizontal-shaft opposed-twinReference
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
Engine
Fuel tank
20.1 LReference
20.1 LReference
Displacement
47.7 ciReference
47.7 ciReference
Bore/Stroke
83 x 73 mmReference
83 x 73 mmReference
Power (gross)
13.4 kWReference
13.4 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
5.7 LReference
5.7 LReference
Transmission
Gears
8 forward and 4 reverseReference
8 forward and 4 reverseReference
Oil type
—
10W-40 SCReference
Dimensions
Weight
408 kgReference
399 kgReference
Front tire
16x6.50-8Reference
16x6.50-8Reference
Rear tire
23x8.50-12Reference
23x8.50-12Reference
Lawn/turf front
16x6.50-8Reference
16x6.50-8Reference
Lawn/turf rear
23x8.50-12Reference
23x8.50-12Reference
Length
207 cmReference
207 cmReference
Width
106 cmReference
106 cmReference
Height
109 cmReference
—
Shipping weight
408 kgReference
399 kgReference
Height (steering wheel)
—
109 cmReference
Gravely 818 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
43Reference
—
Battery Group
22FReference
—
Attachment overview
50" Mower deck
Type
3-blade with hydraulic liftReference
gearReference
Cutting width
127 cmReference
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Gravely 8183 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.