Compare/Gravely 1238-H vs Gravely 8123-G

Gravely 1238-H vs Gravely 8123-G

Verdict: Gravely 1238-H vs Gravely 8123-G

The Gravely 1238-H and the Gravely 8123-G are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. Gravely 1238-H is the lighter machine (477 kg vs 835 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Gravely 1238-H is the newer design (1988 vs 1986). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer 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

12 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Gravely (a part of Ariens)Reference

air-cooledReference

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

6.6 LReference

—

Displacement

28.4 ciReference

—

Bore/Stroke

87 x 78 mmReference

—

Power (gross)

8.9 kWReference

Starter

electricReference

Starter volts

12Reference

Oil capacity

2.0 LReference

5.7 LReference

Power

9.3 kWReference

—

Transmission

Eaton 750Reference

—

Gears

infinite forward and reverseReference

8 forward and 4 reverseReference

PTO & Hydraulics

Mid PTO

independentReference

Clutch

manualReference

—

Mid PTO Type

pulleyReference

—

Hydraulic system

—

0.9 LReference

Capacity

—

0.9 LReference

Oil type

—

10W-40 SCReference

Dimensions

Wheelbase

116 cmReference

132 cmReference

Weight

220 kgReference

378 kgReference

Front tire

13x5.00-6Reference

16x6.50-8Reference

Rear tire

18x8.50-8Reference

23x8.50-12Reference

Lawn/turf front

13x5.00-6Reference

16x6.50-8Reference

Lawn/turf rear

18x8.50-8Reference

23x8.50-12Reference

Length

157 cmReference

208 cmReference

Height

93 cmReference

116 cmReference

Width

—

105 cmReference

Shipping weight

—

401 kgReference

Gravely 1238-H attachments

Electrical

Ground

negativeReference

Charging amps

13 (Kawasaki)Reference

—

Battery volts

12Reference

Battery AH

—

42Reference

Battery Group

—

BCI 22FReference

Attachment overview

38" Mower deck

Type

belt-driven hydrostaticReference

shaft-driven gearReference

Cutting width

96 cmReference

—

Overall width

125 cmReference

—

Cut height

3 to 8 cmReference

—

Capacities

Fuel

—

20.1 LReference

Gravely 8123-G attachments

8123-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.