Bolens G154

The Bolens G154 is a tractor produced by Bolens. It is equipped with a 40.8 ci 0.7 L engine. The listed engine power is Diesel (listed): 15 hp / 11.2 kW. Transmission: 6 forward and 2 reverse. Operating weight: 1124 lbs 509 kg.

Engine Power
Diesel (listed): 15 hp / 11.2 kW
Fuel & Capacities
3.2 gal 12.1 L
Transmission
6 forward and 2 reverse
Operating Weight
1124 lbs 509 kg

Overview

Bolens G154 tractor photo
1978 - 1991 Model year 1978-19811981-1991 Sub-Compact Utility tractorIseki built Sub-Compact Utility tractor Iseki built
Production
Distributor
Bolens
Manufacturer
Iseki
Sub-Compact Utility tractor
Variants
G152
2WD
G154
4WD
TX1300
similar Iseki model
Bolens G154 Engine
Mitsubishi 0.7L 2-cyl diesel
Fuel tank
3.2 gal 12.1 L
Engine details ...
Bolens G154 Transmission
6-speed unsynchronized gear
Transmission details ...
Bolens G154 Power
Engine
15 hp 11.2 kW
Mechanical
Four-wheel drive
Differential lock
mechanical rear
Manual steering
Mechanical internal expanding brakes
Open operator station.
Power Take-off (PTO)
Rear PTO
transmission
Rear PTO Type
472/752/1177
Engine RPM
472@2700
752@2700
1177@2700
Dimensions & Tires
Wheelbase
50.4 inches 128 cm
Weight
1124 lbs 509 kg
Front tire
5.00-12
Rear tire
8-16
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12
Battery AH
45
References
G154 references literature
Diesel Tractors published in 1978, by Bolens
Diesel Tractors published in 1979, by Bolens
Diesel Tractors - The Work Machines published in 1980, by Bolens
Operating Instructions G152 - G154 - G172 - G174 (553214-1) published in 1978

Engine

Engine Detail — 40.8 ci / 0.7 L Diesel

Manufacturer
Mitsubishi KE 70
Fuel Type
Diesel
Configuration
2-cylinder, liquid-cooled
Displacement
40.8 ci 0.7 L
Bore/Stroke
2.87x3.15 inches 73 x 80 mm
Power
15 hp 11.2 kW
Air cleaner
dry element
Pre-heating
glow plugs
Starter
electric
Starter volts
12
Coolant capacity
4.4 qts 4.2 L
Oil capacity
2.7 qts 2.6 L
Oil change
100 h

Transmission

Transmission — 6 forward and 2 reverse unsynchronized gear

Type
unsynchronized gear
Gears
6 forward and 2 reverse
Clutch
dry disc
Oil capacity
13 qts 12.3 L
Three gears (1-3) plus reverse (R) with additional high-low range shift. Tractor must be stopped, and clutch used, to shift gears and range.
G154  unsynchronized gear speeds

Dimensions

Bolens G154 Tires
Standard tires (ag)
Front: 5.00-12. Rear: 8-16
Dimensions
Wheelbase
50.4 inches 128 cm
Length
77.2 inches 196 cm
Width
37.8 inches 96 cm
Height
46.9 inches 119 cm
Weight
1124 lbs 509 kg
Ground clearance
10 inches 25 cm
Front tread
31.1/37.4 inches 78/94 cm
Rear tread
29.1/33/37 inches 73/83/93 cm

Attachments

Attachment overview
42" mid-mount mower deck
Snowblower
Blade
42" Mower deck
Type
mid-mount Bolens
Cutting width
42 inches 106 cm

Photos

Bolens G154 compact utility tractor.

Bolens G154 compact utility tractor.

Recommended Implements & Sizing Guide

Engineering recommendations for Bolens G154 based on its 15 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
1 to 2 Bottom (12")1 - 2 铧 (30 cm)Light DutyIdeal for garden plots and light sandy soil.
Rotary Cutter / MowerMowing & Clearing
4 ft (48 in)1.2 mLight DutyPasture clipping and light brush under 1" diameter.
Rotary TillerSeedbed Prep
42 to 48 in105 - 120 cmLight DutyCovers compact tractor tire width.
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Bolens G154.

Estimated Continuous Field Runtime: 4.1 hrs

Approximately 4.1 hours of continuous field operation at ~75% rated power on a full tank (3.2 gal / 12.1 L).

Estimated 75% Load Fuel Burn~0.8 gal/hr (3 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

Bolens G154 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Bolens G154.

Converted Equivalents:

Horsepower (HP)15 hp
Kilowatts (kW)11.2 kW
Metric Horsepower (PS / CV)15.2 PS

Direct Competitor Comparison

Compare Bolens G154 against same-era industry alternatives in the same horsepower class.

Current Model
Bolens

Bolens G154

Engine Power:Diesel (listed): 15 hp / 11.2 kW
★ Baseline Reference
KubotaMarket Competitor

Kubota B1402

Engine Power:13.8
Production Years:1981 - 1985
International HarvesterMarket Competitor

International Harvester D-214

Engine Power:14
Production Years:1958 - 1962
IsekiMarket Competitor

Iseki TU135F

Engine Power:13.5
Production Years:1986 - 1990
HinomotoMarket Competitor

Hinomoto E14

Engine Power:13.8
Production Years:1977 - 1979