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Gravely 8183 vs Gravely Pro Master 18-H
Verdict: Gravely 8183 vs Gravely Pro Master 18-H
The Gravely 8183 and the Gravely Pro Master 18-H 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 444 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gravely Pro Master 18-H is the newer design (1989 vs 1979). 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
Gravely (a part of Ariens)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
air-cooled horizontal-shaft horizontally-opposedReference
Engine
Fuel tank
20.1 LReference
20.1 LReference
Displacement
47.7 ciReference
42.18 ciReference
Bore/Stroke
83 x 73 mmReference
79 x 70 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
Type
gearReference
hydrostaticReference
Gears
8 forward and 4 reverseReference
infinite forward and reverseReference
Oil type
10W-40 SCReference
—
Transmission
—
Eaton 850Reference
Dimensions
Weight
399 kgReference
444 kgReference
Front tire
16x6.50-8Reference
18x8.50-8Reference
Rear tire
23x8.50-12Reference
4.80/4.00-8Reference
Lawn/turf front
16x6.50-8Reference
18x8.50-8Reference
Lawn/turf rear
23x8.50-12Reference
4.80/4.00-8Reference
Length
207 cmReference
266 cmReference
Width
106 cmReference
—
Height (steering wheel)
109 cmReference
—
Shipping weight
399 kgReference
—
Height
—
121 cmReference
Gravely 8183 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Charging amps
—
15Reference
Attachment overview
PTO & Hydraulics
Front PTO
—
independentReference
Clutch
—
electricReference
Gravely Pro Master 18-H 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.