Compare/Gravely 424 vs Gravely 8122-G

Gravely 424 vs Gravely 8122-G

Verdict: Gravely 424 vs Gravely 8122-G

The Gravely 424 and the Gravely 8122-G are both lawn tractors — here is how they stack up on the figures that matter. Gravely 8122-G leads on rated power with 12 hp against 10 hp. Gravely 424 is the lighter machine (408 kg vs 831 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gravely 8122-G holds more fuel (20.1 L vs 18.9 L) for longer stints between fills. Gravely 8122-G is the newer design (1986 vs 1967). In short: choose the Gravely 8122-G for outright pulling power, or the Gravely 424 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Gravely

Fit score

Best match

Clear

Gravely

Fit score

Best match

Clear

Rated power

10 hp

12 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

GravelyReference

Gravely (a part of Ariens)Reference

Two-speed shift-on-the-move affects transmission and PTO speed. Additional two-speed range for transmission can be shifted only when stopped. Right-hand directional clutch lever controls forward and reverse.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

Steering

manualReference

—

Engine

Fuel tank

18.9 LReference

20.1 LReference

Displacement

30 ciReference

—

Bore/Stroke

90 x 76 mmReference

—

Power (gross)

7.5 kWReference

8.9 kWReference

Air cleaner

single dry elementReference

—

Rated RPM

3600Reference

—

Starter volts

12Reference

Sparkplug

Champion H-10Reference

—

Sparkplug gap

0.635 mmReference

—

Intake valve clearance

0.229 mmReference

—

Exhaust valve clearance

0.457 mmReference

—

Oil capacity

4.7 LReference

5.7 LReference

Power

7.5 kWReference

—

Starter

—

electricReference

Transmission

Swiftamatic 8Reference

—

Gears

4 forward and reverseReference

8 forward and 4 reverseReference

Clutch

friction coneReference

—

Oil type

SAE 90W-EPReference

10W-40 SCReference

PTO & Hydraulics

Type

shaft-driven gearReference

Mid PTO

—

independentReference

Dimensions

Wheelbase

116 cmReference

132 cmReference

Weight

408 kgReference

376 kgReference

Front tire

16-6.50x6Reference

16x6.50-8Reference

Rear tire

23-8.50x12Reference

23x8.50-12Reference

Lawn/turf front

16-6.50x6Reference

16x6.50-8Reference

Lawn/turf rear

23-8.50x12Reference

23x8.50-12Reference

Length

191 cmReference

208 cmReference

Width

92 cmReference

105 cmReference

Height

109 cmReference

116 cmReference

Shipping weight

408 kgReference

392 kgReference

Clearance (front axle)

25 cmReference

—

Clearance (rear axle)

16 cmReference

—

Front tread

77 cmReference

—

Rear tread

71 cmReference

—

Gravely 424 attachments

424 Serial Numbers

Location:

Ahead of rear axle on left side.Reference

Under hood on right side, on instrument panel support frame.Reference

Electrical

Ground

negativeReference

Battery volts

12Reference

Battery AH

—

42Reference

Battery Group

—

BCI 22FReference

Attachment overview

Gravely 8122-G attachments

8122-G Serial Numbers

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.