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6A – 4
ENGINE MECHANICAL
MAIN DATA AND SPECIFICATIONS
Engine model
Item
4JA1T (L)
4JA1TC
Engine type
Combustion chamber type
Cylinder liner type
Timing gear train system
Four-cycle, overhead valve, water cooled
Direct injection
Dry type, chrome plated
Gear drive
No. of cylinders-bore
×
stroke
mm (in)
4 – 93
×
92 (3.66
×
3.62)
No. of piston rings
Compression ring: 2 / Oil ring: 1
Total piston displacement
cm
3
(in
3
)
Compression ratio (to 1)
2,499 (152.4)
18.5
Compression pressure
MPa (kg/cm
2
/psi)
3.0 (31.0/441) – 200 rpm
SEngine weight (dry)
kg (lb)
Approximately 239 (527)
Fuel injection order
1 – 3 – 4 - 2
Fuel injection timing BTDC
deg
8
-
JIS No. 2, DIN/EN590, GB252-1944 Diesel fue
730 ± 25 (A/C OFF)
850 ± 25 (A/C ON)
730 ± 25 (A/C OFF)
780 ± 25 (A/C ON)
Specified fuel type
Idling speed
rpm
Valve clearances (At cold): Intake
mm (in)
Exhaust
mm
(in)
Intake valves
Open at (BTDC)
deg
Close at (ABDC)
deg
Exhaust valves
Open at (BBDC)
deg
Close at (ATDC)
deg
Fuel system
0.4 (0.016)
0.4 (0.016)
24.5
55.5
54.0
26.0
Injection pump type
BOSCH distributor VE type
BOSCH distributor VP44 type
Governor type
Mechanical (Half all speed
type)
Electronically controled
Injection nozzle type
Injection nozzle opening pressure
Hole with 5 orifices
MPa (kg/cm
2
/psi)
1st 19.1 (195 / 2,773)
1st 19.0 (194 / 2,755)
2nd (Reference)
25.5
∼
27.0
(260
∼
275 / 3,702
∼
3,920)
2nd (Reference)
34.0
∼
35.5
(347
∼
362 / 4,936
∼
5,154)
Main fuel filter type
Lubricating system
Lubricating
method
Cartridge paper element and water separator
Pressure circulation
Specified engine oil (API grade)
ISUZU genuine 10W – 30 (API CD of ACEA B2/B3)
Содержание 4ja1
Страница 2: ......
Страница 33: ...ENGINE MECHANICAL 6A 11 Timing Gear Case Pulley Housing Timing Gear and Camshaft N m kg m lb ft RTW46AXF000601...
Страница 34: ...6A 12 ENGINE MECHANICAL Cooling and Lubricating System N m kg m lb ft RTW46AXF000701...
Страница 35: ...ENGINE MECHANICAL 6A 13 Intake Manifold 4JA1TC 4JH1TC N m kg m lb ft RTW36AXF000201...
Страница 36: ...6A 14 ENGINE MECHANICAL EGR Valve EGR Pipe EGR Cooler RTW46AXF000801...
Страница 37: ...ENGINE MECHANICAL 6A 15 Exhaust Manifold and Turbocharger 4JA1L RTW46AXF000901...
Страница 38: ...6A 16 ENGINE MECHANICAL Exhaust Manifold and Turbocharger 4JA1TC 4JH1TC N m kg m lb ft RTW86AXF000301...
Страница 39: ...ENGINE MECHANICAL 6A 17 Engine Electricals N m kg m lb ft RTW36AXF000501...
Страница 40: ...6A 18 ENGINE MECHANICAL Fuel Injection System 4JA1L N m kg m lb ft RTW86AXF000201...
Страница 41: ...ENGINE MECHANICAL 6A 19 Fuel Injection System 4JA1TC N m kg m lb ft RTW46AXF001201...
Страница 42: ...6A 20 ENGINE MECHANICAL Fuel Injection System 4JH1TC N m kg m lb ft RTW46AXF001301...
Страница 43: ...ENGINE MECHANICAL 6A 21 Engine Mounting Bracket N m kg m lb ft 022R300001...
Страница 162: ...MEMO...
Страница 187: ...FUEL SYSTEM 6C 5 For EURO III model RTW46AMF000201...
Страница 219: ...FUEL SYSTEM 6C 37 SPECIAL TOOLS ILLUSTRATION TOOL NUMBER TOOL NAME 5 8840 2602 0 J 39765 Remover fuel pump retainer ring...
Страница 220: ...MEMO...
Страница 224: ...6D 4 ENGINE ELECTRICAL CHARGING CIRCUIT DIAGRAM RTW46DSH005101 STARTING CIRCUIT DIAGRAM RTW46DSH005501...
Страница 225: ...ENGINE ELECTRICAL 6D 5 TORQUE SPECIFICATIONS GENERATOR N m kg m Ib ft RTW86DLF000101...
Страница 226: ...6D 6 ENGINE ELECTRICAL STARTER MOTOR N m kg m Ib ft RTW86DLF000201...
Страница 254: ...MEMO...
Страница 261: ...Engine Control System 4JH1 6E 7 Engine Controls Schematics Power Distribution 1 RTW86EXF004801...
Страница 262: ...6E 8 Engine Control System 4JH1 Power Distribution 2 RTW86EXF004901...
Страница 263: ...Engine Control System 4JH1 6E 9 Starting System RTW86EXF005001...
Страница 264: ...6E 10 Engine Control System 4JH1 Charging System RTW86EXF005101...
Страница 265: ...Engine Control System 4JH1 6E 11 ECM Power and PCU RTW86EXF003001...
Страница 266: ...6E 12 Engine Control System 4JH1 ECM Ground and DLC RTW86EXF005201...
Страница 267: ...Engine Control System 4JH1 6E 13 Gauges and Warning Lamps RTW86EXF003201...
Страница 268: ...6E 14 Engine Control System 4JH1 A C Neutral Switch Resister CKP Sensor APP Sensor and Idle Switch RTW86EXF003301...
Страница 269: ...Engine Control System 4JH1 6E 15 MAF IAT Vacuum Pressure and ECT Sensors RTW86EXF003401...
Страница 275: ...Engine Control System 4JH1 6E 21 1 Legend 1 Vehicle Speed Sensor VSS...
Страница 536: ...MEMO...
Страница 555: ...EXHAUST SYSTEM 6F 19 SPECIAL TOOLS ILLUSTRATION TOOL NUMBER TOOL NAME 901RX00143 5 8840 0075 0 Pressure Gauge...
Страница 558: ...6H 2 ACCELERATOR CONTROL REMOVAL AND INSTALLATION 4JA1T L RHD RTW46HLF000301...
Страница 559: ...ACCELERATOR CONTROL 6H 3 4JA1T L LHD RTW46HLF000601...
Страница 560: ...6H 4 ACCELERATOR CONTROL 4JA1TC 4JH1TC RHD RTW46HLF000201...
Страница 561: ...ACCELERATOR CONTROL 6H 5 4JA1TC 4JH1TC LHD PTW46BMF000101...
Страница 564: ...No TF4JE WE 1101...