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Gravely 817 vs Gravely 8179-G
Verdict: Gravely 817 vs Gravely 8179-G
The Gravely 817 and the Gravely 8179-G are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 17 hp. Gravely 817 is the lighter machine (435 kg vs 854 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gravely 8179-G is the newer design (1986 vs 1977). 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
17 hp
17 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
GravelyReference
Gravely (a part of Ariens)Reference
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
—
Displacement
49.8 ciReference
42.18 ciReference
Bore/Stroke
76 x 83 mmReference
79 x 70 mmReference
Power (gross)
12.3 kWReference
12.7 kWReference
Rated RPM
3600Reference
3600Reference
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
Dimensions
Weight
114 kgReference
387 kgReference
Length
207 cmReference
208 cmReference
Width
106 cmReference
109 cmReference
Height
109 cmReference
116 cmReference
Shipping weight
435 kgReference
405 kgReference
Wheelbase
—
132 cmReference
Front tire
—
16x7.50-8Reference
Rear tire
—
23x10.50-12Reference
Lawn/turf front
—
16x7.50-8Reference
Lawn/turf rear
—
23x10.50-12Reference
Gravely 817 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
—
42Reference
Battery Group
—
BCI 22FReference
Attachment overview
50" Mower deck
Type
shaft-driven gearReference
shaft-driven gearReference
Cutting width
127 cmReference
—
Cut height
3 to 10 cmReference
—
Capacities
Fuel
—
20.1 LReference
PTO & Hydraulics
Hydraulic system
—
0.9 LReference
Capacity
—
0.9 LReference
Oil type
—
10W-40 SCReference
Mid PTO
—
independentReference
Gravely 8179-G attachments
8179-G Serial Numbers
Location:
—
Under hood on right side, on instrument panel support frame.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.