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4TNV98 & 4TNE98 Diesel Engine Section 1. General Service Information 23
4TNE98 EPA Tier 3
Engine Model 4TNE98 EPA Tier 3
Version VM (BQDF(C))
Type Vertical Inline Diesel Engine
Combustion System Indirect Injection, No Turbocharger
Aspiration Natural
No. of Cylinders 4
Bore × Stroke 3.86 x 4.33 in. (98 x 110 mm)
Displacement 202.5 cu in. (3.319 L)
RPM
(min
-1
)
2300
hp SAE 58.6
kW 43.7
**Max. Rated Output
(Gross)
PS 59.4
High Idling Speed
(Bare Engine)
2625±25
Low Idling Speed
(Bare Engine)
850±25 rpm
Engine Weight (Dry) * 496 lb (235 kg)
PTO Position Flywheel Side
Direction of Rotation Counterclockwise Viewed From Flywheel Side
Cooling System Liquid-Cooled With Radiator
Lubricating System
Forced Lubrication With Trochoid Pump
At normal operating speeds, oil pressure is: 42-57 psi
(0.29 - 0.39 MPa; 3.0 – 4.0 kgf/cm²)
At idle, oil pressure is: No less than 18.5 psi (0.13 Mpa; 1.3kgf/cm²)
Electric Starting - Starter Motor: DC12V, 3.1 hp (2.3 kW)
Alternator: DC12V, 80A
Starting System
Recommended Battery Capacity: 12V, 622 CCA
(Cold Cranking Amps)
Dimensions (L × W × H)*
28.0 x 20.3 x 29.8 in.
(710 x 516 x 758 mm)
Engine Oil Pan Capacity
9.7 / 7.6 qt (9.2 / 7.2 L)
(Dipstick Upper Limit / Lower Limit)
Engine Coolant Capacity 1.11 gal (4.2 L) Engine Only
* Engine Specifications Without Radiator, Muffler, and Air Cleaner.
** The Intake and Exhaust condition of Max. Rated output are
Air Intake Restriction : 250mmAq
Exhaust Gas Restriction : 1000mmAq
***The detail specifications are refer to the Specification document which is agreed between both engineering.
- Service Manual 1
- Important Safety Information 3
- Section 1. GENERAL SERVICE 5
- INFORMATION 5
- Section 3. ENGINE 5
- Component Identification 9
- Location of Labels 10
- Emission Control Regulations 10
- Diesel Fuel 14
- Filling The Fuel Tank 15
- DANGER 15
- Priming the Fuel System 17
- Engine Oil 18
- Checking Engine Oil 19
- Adding Engine Oil 19
- Engine Coolant 20
- Specifications 22
- 4TNV98 EPA Tier 2 24
- 4TNE98 EPA Tier 3 25
- Engine Service Standards 26
- Bolts and Nuts 27
- Abbreviations and Symbols 29
- Unit Conversions 30
- 0000009en 45
- 0000008en 45
- 0000025en 45
- Every 500 Hours of Operation 56
- Cylinder Head Specifications 68
- Valve Spring 70
- Camshaft 70
- Push Rod 70
- Rocker Arm and Shaft 70
- Idler Gear Shaft and Bushing 71
- Timing Gear Backlash 71
- Crankshaft 72
- Thrust Bearing 72
- Piston Ring 73
- Connecting Rod 74
- Special Torque Chart 75
- Cylinder Head 82
- 1) Cooling Fan End 87
- Disassembly of Cylinder Head 91
- Inspection of Cylinder Head 95
- Reassembly of Cylinder Head 100
- 1) Fan End 103
- 2) Camshaft Side 103
- Clearance 106
- 4TNE98 Engine 107
- 4TNV98 Engine 108
- Disassembly of Engine 113
- CAUTION 113
- CAUTION 113
- Components 113
- WARNING 122
- Honing and Boring 128
- (3) Rod and Cap Match Marks 130
- (3) Oil Ring End Gap 132
- Final Reassembly of Engine 140
- Section 4. FUEL SYSTEM 141
- 4TNV98 ENGINE 143
- Stop Solenoid 144
- Cold Start Device 144
- Trochoid Fuel Pump 144
- Fuel System Specifications 145
- Special Service Tools 147
- Measuring Instruments 147
- Fuel System Diagram 148
- Fuel System Components 149
- Fuel Injection Pump 150
- IMPORTANT 151
- 4TNV106). (7) Idler Gear 155
- Checking and Adjusting Fuel 159
- Injection Timing 159
- (5) TDC (Top Dead Center) 161
- Fuel Injectors 165
- Testing of Fuel Injectors 166
- Injectors 167
- Reassembly of Fuel Injectors 169
- 4TNE98 ENGINE 170
- Overview 174
- Plunger Operation 177
- Process 178
- Reverse Rotation Prevention 180
- Mechanism 180
- Delivery Valve Assembly 181
- All - Speed Governor 182
- At Start of Engine 184
- During Idling 185
- Servicing The Fuel Injectors 198
- Section 5. COOLING SYSTEM 203
- Introduction 205
- Cooling System Diagram 205
- Engine Coolant System Check 207
- Engine Coolant Pump 207
- Cleaning and Inspection 209
- Before You Begin Servicing 212
- Oil Pump Service Information 214
- Lubrication System Diagram 216
- Checking Engine Oil Pressure 217
- Trochoid Oil Pump 217
- Disassembly of Oil Pump 218
- Reassembly of Oil Pump 219
- Section 7. STARTER MOTOR 221
- Starter Motor Information 223
- Starter Motor Components 226
- Starter Motor 227
- Reassembly of Starter Motor 234
- No-Load Test 236
- Section 8. TROUBLESHOOTING 237
- Troubleshooting By Measuring 238
- Compression Pressure 238
- Troubleshooting Charts 242
- Wiring Diagram 245
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