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Lawn Tractor · 1971Unverified

Cub Cadet 129

Name: Cub Cadet 129
Brand: Cub Cadet

Cub Cadet 129 — 1X8/1X9 Series · 12 hp. Reference specifications; pending source verification.

The Cub Cadet 129 is a lawn tractor with a 12 hp rating, a mid-range figure for its class. It was produced from 1971 to 1974 and features a 1-cylinder petrol air-cooled engine paired with a two-wheel drive system and hydrostatic transmission. This model is suitable for operations covering up to 200 acres. Specifications for the Cub Cadet 129 are available in both UK and US units.

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

Rated power

12 hp

Catalogue coverage

Variants represented

Richest spec table

67 rows

Recorded power

12 hp

Transmissions

hydrostatic

Production years

1971-1974

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerCub Cadet (a part of International Harvester)Reference

Garden tractorReference

Built in Louisville, Kentucky, USAReference

Two-wheel driveReference

SteeringmanualReference

Mechanical disc brakesReference

Open operator station.Reference

Variants

129hydrostaticReference

128gearReference

Engine

12HP Kohler 476cc 1-cyl gasolineReference

Fuel tank7.6 LReference

Kohler K301AReference

gasolineReference

1-cylinderReference

air-cooledReference

Displacement29.07 ciReference

Bore/Stroke86 x 83 mmReference

Power8.9 kWReference

Air cleanerdry cartridgeReference

Rated RPM3600Reference

Idle RPM1000-3800Reference

Starter volts12Reference

SparkplugChampion H-10Reference

Sparkplug gap0.635 mmReference

Point gap0.508 mmReference

Intake valve clearance0.254 mmReference

Exhaust valve clearance0.508 mmReference

Oil capacity1.4 LReference

Oil change30 hReference

Transmission

hydrostaticReference

TypehydrostaticReference

Gearsinfinite forward and reverseReference

Oil capacity6.6 LReference

Oil typeIH Hy-TranReference

PTO & Hydraulics

Typesleeve hitch (optional)Reference

Front PTOindependentReference

ClutchmechanicalReference

Dimensions

Wheelbase111 cmReference

Front tire4.80/4.00-8Reference

Rear tire23x8.50-12Reference

Lawn/turf front4.80/4.00-8Reference

Lawn/turf rear23x8.50-12Reference

Length175 cmReference

Width91 cmReference

Height (steering wheel)104 cmReference

Ground clearance15 cmReference

Front tread68 cmReference

Rear tread68 cmReference

Cub Cadet 129 attachments

38" mid-mount mower deckReference

44" mid-mount mower deckReference

50" mid-mount mower deckReference

snowblowerReference

129 Serial Number Location

Tractor's rear-drive housing, or the left side of the tractor frame (after February 1974).Reference

129 Serial Numbers

1971400001Reference

1972417643Reference

1973457305Reference

1974495749Reference

Final529811Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemDelco-Remy generatorReference

Charging amps15Reference

Battery volts12Reference

Attachment overview

38" mid-mount mower deckReference

44" mid-mount mower deckReference

50" mid-mount mower deckReference

SnowblowerReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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