| Manufacturer |
International Harvester |
| Price |
2,400(USD) |
| Model |
154 Lo-Boy |
| Equipment Type |
Compact Utility Tractors |
| Factory |
Louisville, Kentucky, USA |
INTERNATIONAL HARVESTER 154 LO-BOY POWER
| PTO (claimed) |
14 hp/10.4 kW |
ENGINE DETAIL
The International Harvester 154 Lo-Boy tractor features a C60 gasoline engine, optimized for low-speed operations with a modest displacement of 1.0 L, allowing for good fuel efficiency in light-duty tasks. Its updraft carburetor and lower compression ratio (7.5:1) provide smoother operation and easier starting, ideal for applications like mowing and gardening. However, the limited oil and coolant capacities may necessitate more frequent maintenance checks, especially under heavier workloads.
| Description |
International Harvester C60/gasoline/4-cylinder/liquid-cooled |
| Displacement |
59.5 ci/1.0 L |
| Bore/Stroke |
2.625x2.75 inches/67 x 70 mm |
| Fuel system |
International 0.75 updraft carburetor |
| Compression |
7.5:1 |
| Rated RPM |
2200 |
| Firing order |
1-3-4-2 |
| Starter volts |
12 |
| Oil capacity |
3 qts/2.8 L |
| Coolant capacity |
9.75 qts/9.2 L |
| Sparkplug gap |
0.023 inches/0.584 mm |
INTERNATIONAL HARVESTER 154 LO-BOY ENGINE
The International Harvester 154 Lo-Boy is powered by a 1.0L 4-cylinder gasoline engine, delivering efficient performance for small farm tasks and landscaping. Its low-profile design enhances maneuverability in tight spaces, making it ideal for mowing and gardening applications. However, limitations in power output may restrict its utility for heavier agricultural work, so consider its intended use to maximize productivity.
| Description |
International Harvester 1.0L 4-cyl gasoline |
TRANSMISSIONS OVERVIEW
The International Harvester 154 Lo-Boy features a 3-speed unsynchronized transmission paired with a 6-speed creeper gear, enabling precise control for various applications, particularly beneficial for tasks like cultivating and mowing in tight spaces. The unsynchronized gear system may pose challenges during gear shifts, requiring operator skill to avoid grinding, while the creeper gear enhances low-speed torque for optimal performance in delicate operations. Overall, this setup is advantageous for small-scale farming and landscaping where maneuverability and finer control are crucial.
| Description |
3-speed unsynchronized gear/6-speed creeper |
TRANSMISSION 1
The International Harvester 154 Lo-Boy features an unsynchronized gear transmission with 3 forward and 1 reverse gear, making it suited for low-speed tasks but limiting quick directional changes. Its mechanical dry disc clutch provides reliable engagement but may require more maintenance than hydraulic systems. With an oil capacity of 7 quarts, regular oil checks and changes are essential to ensure optimal performance and longevity, particularly under varied agricultural loads.
| Type |
unsynchronized gear |
| Gears |
3 forward and 1 reverse |
| Clutch |
mechanical dry disc |
| Oil capacity |
7 qts/6.6 L |
SPEEDS
TRANSMISSION 2
The International Harvester 154 Lo-Boy tractor features a creeper gear option, enabling precise low-speed control ideal for tasks like cultivating or mowing in tight spaces. With a total of 6 forward and 2 reverse gears, this configuration offers flexibility and enhanced maneuverability, particularly beneficial for maintaining small properties or navigating narrow rows. However, the addition of the creeper range may lead to increased wear on the transmission if operated continuously under load.
| Type |
creeper |
| Gears |
6 forward and 2 reverse |
| Description |
Optional creeper range for the standard transmission. |
MECHANICAL
The International Harvester 154 Lo-Boy features a 4x2 2WD chassis, which enhances maneuverability in tight spaces, making it suitable for landscaping and small farm operations. However, the manual steering and mechanical drum brakes may lack the responsiveness and safety features of modern hydraulic systems, posing challenges in heavier applications. The 3-speed unsynchronized gear coupled with a 6-speed creeper transmission offers versatility in speed management for various tasks, although operators may face a learning curve when shifting gears.
| Chassis |
4x2 2WD |
| Steering |
manual |
| Brakes |
mechanical drum |
| Cab |
Open operator station. |
| Transmissions |
3-speed unsynchronized gear/6-speed creeper |
CAPACITY
| Fuel |
8 gal/30.3 L |
| Hydraulic system |
1.75 gal/6.6 L |
HYDRAULICS
| Type |
gear pump |
| Capacity |
1.75 gal/6.6 L |
| Pressure |
2000 psi/137.9 bar |
| Pump flow |
2 gpm/7.6 lpm |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Clutch |
mechanical dry disc |
| Rear RPM |
1600 (counter-clockwise) |
INTERNATIONAL HARVESTER 154 LO-BOY TIRES
The International Harvester 154 Lo-Boy tractor features versatile tire options for various applications, including agricultural and lawn/turf tasks. The Ag tires (4.00-12 front, 9.5-24 rear) provide good traction for field work, while the lawn/turf tires (20x8.00-10 front, 13.6-16/12.4-16 rear) minimize ground disturbance, making it suitable for residential or gardening use. A potential challenge is balancing tire choice for optimal performance across different terrains, as Ag tires may struggle with maneuverability on softer surfaces, whereas turf tires might not provide sufficient grip in agricultural settings.
| Ag front |
4.00-12 |
| Ag rear |
9.5-24 |
| Lawn/turf front |
20x8.00-10 |
| Lawn/turf rear |
13.6-16/12.4-16 |
DIMENSIONS
| Wheelbase |
64 inches/162 cm |
| Length |
94 inches/238 cm |
| Width |
52 inches/132 cm |
| Height |
49 inches/124 cm |
| Weight |
1480 lbs/671 kg |
| Ground clearance |
13 inches/33 cm |
| Front tread |
42 inches/106 cm |
| Rear tread |
42 inches/106 cm |
DIMENSIONS & TIRES
The International Harvester 154 Lo-Boy features a compact wheelbase of 64 inches, enhancing maneuverability in tight spaces, ideal for gardening and small farm operations. Weighing 1480 lbs (671 kg), it strikes a balance between stability and lightness, facilitating transport without excessive soil compaction. The tire specifications (4.00-12 front and 8.3-24 rear) suggest good traction for diverse terrains, although the smaller front tires may limit performance in heavy or muddy conditions.
| Wheelbase |
64 inches/162 cm |
| Weight |
1480 lbs/671 kg |
| Front tire |
4.00-12 |
| Rear tire |
8.3-24 |
BLADE
| Type |
front-mount International 54 |
| Width |
54 inches/137 cm |
154 LO-BOY SERIAL NUMBERS
| Location |
Frame, front left side |
| 1968 |
7505 |
| 1969 |
8273 |
| 1970 |
15502 |
| 1971 |
20332 |
| 1972 |
23343 |
| 1973 |
27538 |
| 1974 |
31766 |
| Final |
36676 |
ELECTRICAL
| Ground |
negative |
| Charging amps |
12, 15 (generator) |
| Battery volts |
12 |
