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Gravely 8199 vs Gravely Pro Master 20-H
Verdict: Gravely 8199 vs Gravely Pro Master 20-H
The Gravely 8199 and the Gravely Pro Master 20-H are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 20 hp. Gravely 8199 is the lighter machine (424 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 20-H is the newer design (1989 vs 1980). 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
20 hp
20 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-cooledReference
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)
14.8 kWReference
14.9 kWReference
Rated RPM
3600Reference
—
Starter volts
12Reference
12Reference
Starter
—
electricReference
Power
—
14.9 kWReference
Transmission
Gears
8 forward and 4 reverseReference
infinite forward and reverseReference
Oil capacity
5.7 LReference
5.7 LReference
Oil type
10W-40 SCReference
—
Transmission
—
Eaton 850Reference
PTO & Hydraulics
Type
shaft-driven gearReference
hydrostaticReference
Pressure
82.7 barReference
—
Pump flow
6.4 lpmReference
—
Mid PTO
independentReference
—
Clutch
mechanicalReference
electricReference
Mid PTO Type
1000Reference
—
Front PTO
—
independentReference
Dimensions
Wheelbase
132 cmReference
—
Weight
424 kgReference
444 kgReference
Front tire
16x7.50-8Reference
18x8.50-8Reference
Rear tire
23x10.50-12Reference
4.80/4.00-8Reference
Lawn/turf front
16x7.50-8Reference
18x8.50-8Reference
Lawn/turf rear
23x10.50-12Reference
4.80/4.00-8Reference
Length
210 cmReference
266 cmReference
Width
109 cmReference
—
Height
112 cmReference
121 cmReference
Shipping weight
424 kgReference
—
Ground clearance
17 cmReference
—
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
42Reference
—
Battery Group
BCI 22FReference
—
Charging amps
—
20 (Onan)Reference
Gravely Pro Master 20-H attachments
Attachment overview
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.