TractorData Logo
TractorData

Jacobsen GT12H 34002

The Jacobsen GT12H 34002 is a tractor produced by Jacobsen Lawn Tractors. It is equipped with a 476 cc 29.1 ci engine. The listed engine power is Gasoline (gross): 12 hp / 8.9 kW. Transmission: infinite forward and reverse (2-range). Operating weight: 800 lbs 362 kg.

Engine Power
Gasoline (gross): 12 hp / 8.9 kW
Fuel & Capacities
3 gal 11.4 L
Transmission
infinite forward and reverse (2-range)
Operating Weight
800 lbs 362 kg

Overview

Jacobsen GT12H 34002 tractor photo
1981 - 1986 Garden tractor
Production
Manufacturer
Jacobsen
Garden tractor
Jacobsen GT12H Engine
12HP Kohler 476cc 1-cyl gasoline
Fuel tank
3 gal 11.4 L
Engine details ...
Jacobsen GT12H Transmission
hydrostatic
Transmission details ...
Mechanical
Two-wheel drive
Manual steering
Mechanical band brakes
Open operator station.
Tractor hitch
Rear Type
0 OptOptional
Type
sleeve hitch OptOptional
Power Take-off (PTO)
Rear PTO
independent OptOptional
Front PTO
independent
Clutch
electric
Dimensions & Tires
Wheelbase
46 inches 116 cm
Weight
800 lbs 362 kg
Front tire
16x6.50-8
Rear tire
23x8.50-12
Full dimensions and tires ...
Electrical
Ground
negative
Charging amps
15
Battery volts
12
Battery AH
22
References
GT12H 34002 references literature
Operator's Manual Hydro Tractors GT 12H, GT 14H, GT 16H (JA-99021-0)
Consumer Products Catalog published in 1984, by Jacobsen

Engine

Engine Detail — 476 cc / 29.1 ci Gasoline

Manufacturer
Kohler K301AQS
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled horizontal-shaft
Displacement
476 cc 29.1 ci
Bore/Stroke
3.375x3.25 inches 86 x 83 mm
Power (gross)
12 hp 8.9 kW
Starter
electric
Starter volts
12
Oil capacity
2 qts 1.9 L
Oil change
30 h

Transmission

Transmission — infinite forward and reverse (2-range) shaft-driven hydrostatic

Type
shaft-driven hydrostatic
Gears
infinite forward and reverse (2-range)
Oil type
ATF F
GT12H 34002 shaft-driven hydrostatic speeds
ATF F

Dimensions

Jacobsen GT12H Tires
Lawn/turf front
16x6.50-8
Lawn/turf rear
23x8.50-12
Dimensions
Wheelbase
46 inches 116 cm
Length
73 inches 185 cm
Width
38 inches 96 cm
Height (steering wheel)
42 inches 106 cm
Height (hood)
37 inches 93 cm
Weight
800 lbs 362 kg
Clearance (front axle)
9.125 inches 23 cm
Clearance (rear axle)
8 inches 20 cm

Attachments

Attachment overview
42" mid-mount mower deck
Snowblower
Blade
Backhoe
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.
Brantly LD6 Backhoe
Backhoe type
Brantly LD6 Backhoe

Photos

Jacobsen GT12H 34002 tractor photo

Jacobsen GT12H 34002 tractor photo

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Jacobsen Lawn Tractors Jacobsen GT12H 34002.

Estimated Continuous Field Runtime: 4.8 hrs

Approximately 4.8 hours of continuous field operation at ~75% rated power on a full tank (3 gal / 11.4 L).

Estimated 75% Load Fuel Burn~0.6 gal/hr (2.4 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

Jacobsen Lawn Tractors Jacobsen GT12H 34002 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Jacobsen Lawn Tractors Jacobsen GT12H 34002.

Converted Equivalents:

Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS

Related models