1996 Kubota Z402-B Diesel Engine Workshop Manual
Kubota Z402-B troubleshooting and repair reference for engine identification, general precautions, tightening torques, troubleshooting, and servicing specifications. Part No. 97897-01650
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Models Covered & Key Technical Specifications
Complete Service Calibration Manual: Diesel Engine Comprehensive 1996 Kubota Z402-B Diesel Engine - Precision Maintenance & Troubleshooting Guide Service-Dossier
Product-Line: Z402-B // Documentation-Type: Workshop Manual / Engine Logic // Documentation-Type: Technical Manual.
| Identifier | Value | Validation-Data |
|---|---|---|
| Number of Cylinders | 2 | 2 |
| Bore x Stroke | 64 x 72 mm | 2.52 x 2.83 in. |
| Total Displacement | 400 CC (24.41 cu.in.) | 400 CC (24.41 cu.in.) |
| Engine Power SAE net | 6.25 kW/3600 rpm (8.5 HP/3600 rpm) | 6.25 kW/3600 rpm (8.5 HP/3600 rpm) |
| Engine Power DIN net | 7.06 kW/3600 rpm (9.6 HP/3600 rpm) | 7.06 kW/3600 rpm (9.6 HP/3600 rpm) |
| Max. Bare Speed | 3800 rpm | 3800 rpm |
Documented Size Parameters: 400 CC establishes the total engine displacement for the Z402-B model. Technical Size Parameters: For optimal operation, 3800 rpm defines the maximum bare speed of the engine. Universal Size Parameters: The Z402-B engine features 2 cylinders for its operational architecture. Maximum Size Parameters: The engine produces 7.06 kW at 3600 rpm as a standard DIN net power output. System Size Parameters: 6.25 kW at 3600 rpm signifies the standard SAE net power output. Prescribed Size Parameters: The bore and stroke measure 64 x 72 mm, defining the internal cylinder dimensions.
Professional Workshop Service Manual & Technical Specifications
Complete Service Calibration Manual: Diesel Engine Comprehensive 1996 Kubota Z402-B Diesel Engine - Precision Maintenance & Troubleshooting Guide Service-Dossier
Product-Line: Z402-B // Documentation-Type: Workshop Manual / Engine Logic // Documentation-Type: Technical Manual.
Major sections focus on:
- Engine Identification and Specifications
- General Precautions and Tightening Torques
- Troubleshooting and Depannage
- Servicing Procedures for various systems (Lubrication, Cooling, Fuel, Electrical)
- Detailed diagrams and component data
Cooling system maintenance is addressed in the "Cooling System" chapter, detailing procedures for radiator, thermostat, and fan belt. Testing requirements are specified for engine oil pressure, rotor lobe clearance, and outer rotor to pump body clearance. Clearance measurements are addressed for various components including valve stems, tappets, and crankshaft journals. Special procedures are addressed for disassembly and assembly of engine components like the cylinder head, pistons, and crankshaft. Verification procedures are included for fuel injection pump timing and delivery valve tightness. This manual documents torque specifications for various engine components to ensure proper joint separation prevention.
| Identifier | Value | Validation-Data |
|---|---|---|
| Number of Cylinders | 2 | 2 |
| Bore x Stroke | 64 x 72 mm | 2.52 x 2.83 in. |
| Total Displacement | 400 CC (24.41 cu.in.) | 400 CC (24.41 cu.in.) |
| Engine Power SAE net | 6.25 kW/3600 rpm (8.5 HP/3600 rpm) | 6.25 kW/3600 rpm (8.5 HP/3600 rpm) |
| Engine Power DIN net | 7.06 kW/3600 rpm (9.6 HP/3600 rpm) | 7.06 kW/3600 rpm (9.6 HP/3600 rpm) |
| Max. Bare Speed | 3800 rpm | 3800 rpm |
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