Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/wheel-horse-c-121" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="Wheel Horse C-121 specs — FarmFleetSpecs"></iframe>

Lawn Tractor · 1978Unverified

Wheel Horse C-121

Name: Wheel Horse C-121
Brand: Wheel Horse

Wheel Horse C-121 — C Series · 12 hp. Reference specifications; pending source verification.

The Wheel Horse C-121 is a lawn tractor with a rated engine power of 12 hp, placing it in the middle of its class. It was produced from 1978 to 1979. The tractor features a 1-cylinder petrol air-cooled engine, driving a two-wheel drive system with a hydrostatic transmission. Its listed weight is between 600 and 630 pounds, suitable for use on areas of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

12 hp

Weight

600 to 630 pounds

Catalogue coverage

Variants represented

Richest spec table

67 rows

Recorded power

12 hp

Recorded weight

272 kg

Transmissions

6-speed gear

Production years

1978-1979

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerWheel HorseReference

Garden tractorReference

Built in South Bend, Indiana, USAReference

Original price$2,075 (1978 gear )Reference

Original price$2,310 (1978 hydro )Reference

Two-wheel driveReference

Manual steeringReference

Open operator station.Reference

Engine

12HP Kohler 476cc 1-cyl gasolineReference

Fuel tank11.4 LReference

Kohler K301ASReference

gasolineReference

1-cylinderReference

air-cooled horizontal-shaftReference

Displacement29.07 ciReference

Bore/Stroke86 x 83 mmReference

Power (gross)8.9 kWReference

Rated RPM3400Reference

StarterelectricReference

Starter volts12Reference

Oil capacity1.4 LReference

Sparkplug gap0.635 mmReference

Point gap0.508 mmReference

Image courtesy of Arthur AndersenReference

Transmission

6-speed gearReference

hydrostaticReference

Gear Weight272 kgReference

TransmissionWheel Horse 103916Reference

Typebelt-driven gearReference

Gears6 forward and 2 reverseReference

Oil capacity1.9 LReference

ManufacturerSundstrandReference

Typebelt-driven hydrostaticReference

Gearsinfinite forward and reverseReference

Oil capacity5.2 LReference

PTO & Hydraulics

Typesleeve hitchReference

Mid PTOindependentReference

Clutchmanual dry discReference

Mid PTO TypepulleyReference

Dimensions

Wheelbase115 cmReference

Weight600 to 630 poundsReference

Front tire16x6.50-8Reference

Rear tire23x8.50-12Reference

36" mid-mount mower deckReference

42" mid-mount mower deckReference

snowblowerReference

bladeReference

Lawn/turf front16x6.50-8Reference

Lawn/turf rear23x8.50-12Reference

Length165 cmReference

Width91 cmReference

Height104 cmReference

Hydro Weight285 kgReference

C-121 Serial Numbers

Location:Serial number plate below the dashboard. Tractor model codes shown.Reference

197881-12K801 (gear)Reference

197991-12K801 (gear)Reference

197991-12K802 (gear)Reference

197881-12KS01 (hydro)Reference

197981-12KS01 (hydro)Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging amps15Reference

Battery volts12Reference

Attachment overview

36" mid-mount mower deckReference

42" 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.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.