The Gravely 8123-G is a lawn tractor with a rated power of 12 hp, a figure typical for its class. The 8123-G model was manufactured in 1986. It is equipped with a 1-cylinder petrol air-cooled engine and a two-wheel drive system, paired with an 8-speed gearbox. The tractor has an operating weight of 835 to 885 pounds.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
12 hp
Weight
835 to 885 pounds
Catalogue coverage
Variants represented
2
Richest spec table
50 rows
Recorded power
12 hp
Recorded weight
378 kg
Transmissions
8-speed gear
Production years
1986-1986
Verified variants
0
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Overview
ManufacturerGravely (a part of Ariens)Reference
Garden tractorReference
Two-wheel driveReference
Manual steeringReference
Mechanical band brakesReference
Open operator station.Reference
Engine
12HP Kohler 1-cyl gasolineReference
KohlerReference
gasolineReference
1-cylinderReference
air-cooled horizontal-shaftReference
Power (gross)8.9 kWReference
StarterelectricReference
Starter volts12Reference
Transmission
8-speed gearReference
Typeshaft-driven gearReference
Gears8 forward and 4 reverseReference
Oil capacity5.7 LReference
Oil type10W-40 SCReference
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
Capacities
Fuel20.1 LReference
PTO & Hydraulics
Hydraulic system0.9 LReference
Capacity0.9 LReference
Oil typeATF Dextron IIReference
Mid PTOindependentReference
Dimensions
Wheelbase132 cmReference
Weight835 to 885 poundsReference
Front tire16x6.50-8Reference
Rear tire23x8.50-12Reference
Lawn/turf front16x6.50-8Reference
Lawn/turf rear23x8.50-12Reference
Length208 cmReference
Width105 cmReference
Height116 cmReference
Weight378 kgReference
Shipping weight401 kgReference
5-bolt flange rear axleReference
Gravely 8123-G attachments
40" mid-mount mower deckReference
50" mid-mount mower deckReference
snowblowerReference
bladeReference
8123-G Serial Numbers
Location:Under hood on right side, on instrument panel support frame.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Battery AH42Reference
Battery GroupBCI 22FReference
Attachment overview
40" mid-mount mower deckReference
50" mid-mount mower deckReference
SnowblowerReference
BladeReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
