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Gravely 7173-H vs Gravely 817
Verdict: Gravely 7173-H vs Gravely 817
The Gravely 7173-H and the Gravely 817 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 826 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gravely 817 holds more fuel (20.1 L vs 17.0 L) for longer stints between fills. Gravely 7173-H 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
Gravely (a part of Ariens)Reference
GravelyReference
air-cooled horizontal-shaft horizontall-opposedReference
air-cooled horizontal-shaft opposed-twinReference
Engine
Fuel tank
17.0 LReference
20.1 LReference
Power (gross)
12.7 kWReference
12.3 kWReference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
3.8 LReference
5.7 LReference
Displacement
—
49.8 ciReference
Bore/Stroke
—
76 x 83 mmReference
Rated RPM
—
3600Reference
Transmission
Gears
infinite forward and reverseReference
8 forward and 4 reverseReference
PTO & Hydraulics
Rear Type
0Reference
—
Mid PTO
independentReference
—
Clutch
electricReference
—
Dimensions
Wheelbase
123 cmReference
—
Weight
374 kgReference
114 kgReference
Front tire
16x6.50-8Reference
—
Rear tire
23x10.50-12Reference
—
Lawn/turf front
16x6.50-8Reference
—
Lawn/turf rear
23x10.50-12Reference
—
Length
187 cmReference
207 cmReference
Width
108 cmReference
106 cmReference
Height
116 cmReference
109 cmReference
Shipping weight
394 kgReference
435 kgReference
Gravely 7173-H attachments
Electrical
Ground
negativeReference
negativeReference
Charging amps
15Reference
—
Battery volts
12Reference
12Reference
Attachment overview
48" Mower deck
Type
shaft-driven hydrostaticReference
shaft-driven gearReference
Cutting width
121 cmReference
127 cmReference
Gravely 817 attachments
50" Mower deck
Cut height
—
3 to 10 cmReference
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.