Bolens Iseki G152 / G154 / G172 / G174 / TX1300 / TX1500 Tractor Service Manual (P/N G152-001)
Bolens Models Covered & Key Technical Specifications
Models: G152, G154, G172, G174, TX1300, TX1500
Sub-models / Variants: TX1300F, TX1500F, 2WD, 4WD
Trade Names: Bolens Iseki, G-Series
Technical Data:
- Engine model: KE55, KE70, KE75
- Engine type: Water-cooled 4-cycle diesel
- Cylinder count: 2
- Engine displacement: 33.20–46.62 cu-in (544–764 cc)
- Fuel system: Bosch M-type injection pump
- Battery: 12V 45A
- Transmission: 6 forward, 2 reverse speeds
- Drive system: 2WD and 4WD options
- P.T.O. speeds: 472 rpm (1st), 752 rpm (2nd), 1177 rpm (3rd) at 2700 engine rpm
- Coolant capacity: 4.2 liters (0.92 gal.)
Bolens Manual Features & Content Preview
- Covers 1970s–1980s Bolens Iseki G152, G154, G172, G174, TX1300, and TX1500 compact tractor variants in both 2WD and 4WD configurations
- Original 150-page OEM publication, P/N G152-001 first edition
- Acts as the primary technical reference for the KE55, KE70, and KE75 diesel engine series used throughout the G-Series lineup
- Contains 48 exploded-view diagrams, 15 system-specific wiring schematics, and 12 detailed engine torque tables
Technical Documentation and Content
This Bolens Iseki G-Series service manual provides a comprehensive breakdown of major tractor assemblies, giving technicians the exact factory references needed for accurate diagnostics. Inside, you will find documented construction details for the engine, chassis, drivetrain, and hydraulic systems. Working on agricultural machinery involves significant physical hazards, so technicians must carefully review the integrated safety precautions before initiating any tear-down procedures. The publication outlines specific criteria for component removal, parts inspection, and reassembly standards covering the transmission, cooling, and electrical systems. It also includes a factory periodic maintenance chart to help shop owners schedule exact service intervals for engine oil, coolant, and hydraulic fluids.
Specification Highlights
Precise engineering data is critical for proper tractor maintenance and reliable engine rebuilds. This manual delivers those exact figures directly from the manufacturer. For standard operation, engine compression pressure is rated at 455 psi (32 kg/cm²). Mechanics should note that the compression difference between cylinders must not exceed 35 psi (2.5 kg/cm²). Cylinder head bolt torque values range from 80 to 101 ft-lbs depending on the specific engine model. You will also find fluid capacities, such as the 4.2-liter coolant system requirement. Finally, the valve specification table dictates an intake valve clearance of 0.35 mm for cold engines.
Customer Reviews
Read what our customers say about this Bolens Tractor manual and share your own experience.