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4JG2
Isuzu
4JG2
The J-series direct injection diesel engine was introduced in 1985, in 2.5 or 2.8 liter displacements. Initially installed only in lighter duty versions of the Isuzu Elf, it sound found its way into other Isuzu products. It replaced the somewhat smaller C engine; later on 3.1- and 3.0-liter versions were also introduced - still with four cylinders in line.
The 4JG2 is an indirect injection engine. It replaced the 4JB1-T in the Isuzu Bighorn(Trooper II) and Mu/Wizard (Rodeo) in most market. This engine was upgraded from mechanical injection to electronically controlled mechanical injection.
Displacement: 3.0 L
Naturally Aspirated
Fuel consumption: .355 LB/HP-HR
SAE 3 flywheel housing
Electric self-priming fuel lift pump
12V or 24V electronics
Glow plug starting aid
High angularity oil pan
500-hour service intervals
5-year / 5,000-hour limited warranty*
Displacement: 3.0 L
Naturally Aspirated
Fuel consumption: .355 LB/HP-HR
SAE 3 flywheel housing
Electric self-priming fuel lift pump
12V and 24V available
Glow plug starting aid
High angularity oil pan
500-hour service intervals
Cooling system
Air Cleaner
Exhaust system
Front and rear mounts
Skid base
Instrument panel & extension harness
Custom power unit
Engine Model | 4JG2 |
Application | Forklift |
Type | Four Cycle, Water Cooled, Overhead Valve Vertical In-Line , Swirl Chamber |
CYL. No. -Bore x Stroke | 4-95.4 x 107 mm |
Displacement | 3059CM3 |
Compression Ratio | 20.5 To 1 |
Firing Order | 1-3-4-2 |
Performance (JIS D1005, Production Tolerance ± 5% ) | |
Rated Power | 44.9 kW (61 ps) / 2450 rpm |
Max. Torque | 186.3 Nm (19 kg -m) / 1600-1800 rpm |
Idle Engine Speed | 750 ± 25 rpm |
No Load Max. Engine Speed | 2690 rpm |
Air Intake System | Naturally Aspirated |
Lubrication System | Full Forced Pressure Feed Type |
Oil Pump | Trochoid Type Oil Pump By Camshaft Driven |
Anguarity Limit | All Direction, 0.349 Rad (20 deg.) |
Lubrication Oil Capacity | Max. 7.5 Lit., Min 5.5 Lit (Oil Pan Only) |
Type of Lubrication Oil | API CC or CD |
Cooling System | By Pressurized Water Forced Circulation Type, Centrifugal Vane Type, By Vee Belt Driven |
Cooling Capacity | 4.5 Li t. (Engine Only) |
Fan Speed Ratio | 1.12 (Crankshaft Pulley Dia./Fan Pulley Dia.) |
Timing Gear PTO | |
Speed Ratio To Crank | 1 To 1.2 |
Rotation Direction | Clockwise Viewed From Front |
Number of Tooth | 10 |
Output Torque Capacity | 90 Nm (9.8 kgfm) |
Fuel System | |
Injection Pump | Zexel Make, Distributor Bosch VE Type Injection |
Injection Timing | 6 deg. BTDC |
Inj. Nozzle Opening Pressure | 14.7 MPa (150 kgs/cm2) |
Type of Fuel | SAE 2D Diesel Fuel, Fuel Filter W / Sedimenter Should Be Applied |
Electrical System | Negative Grounding System, 12 V |
Starting Aid | Sheathed Type Glow Plug, Rating 11 V, QOS-III |
Dry Weight | 244 kgs (538 lbs) |
Dimensions (L x W x H) | 710 x 554.5 x 732.5 mm (28 x 22 x 29") |
Engine Asm Drawing No. | DI 1-5260 |
Performance | SD-5091 |
The J-series direct injection diesel engine was introduced in 1985, in 2.5 or 2.8 liter displacements. Initially installed only in lighter duty versions of the Isuzu Elf, it sound found its way into other Isuzu products. It replaced the somewhat smaller C engine; later on 3.1- and 3.0-liter versions were also introduced - still with four cylinders in line.
The 4JG2 is an indirect injection engine. It replaced the 4JB1-T in the Isuzu Bighorn(Trooper II) and Mu/Wizard (Rodeo) in most market. This engine was upgraded from mechanical injection to electronically controlled mechanical injection.
Displacement: 3.0 L
Naturally Aspirated
Fuel consumption: .355 LB/HP-HR
SAE 3 flywheel housing
Electric self-priming fuel lift pump
12V or 24V electronics
Glow plug starting aid
High angularity oil pan
500-hour service intervals
5-year / 5,000-hour limited warranty*
Displacement: 3.0 L
Naturally Aspirated
Fuel consumption: .355 LB/HP-HR
SAE 3 flywheel housing
Electric self-priming fuel lift pump
12V and 24V available
Glow plug starting aid
High angularity oil pan
500-hour service intervals
Cooling system
Air Cleaner
Exhaust system
Front and rear mounts
Skid base
Instrument panel & extension harness
Custom power unit
Engine Model | 4JG2 |
Application | Forklift |
Type | Four Cycle, Water Cooled, Overhead Valve Vertical In-Line , Swirl Chamber |
CYL. No. -Bore x Stroke | 4-95.4 x 107 mm |
Displacement | 3059CM3 |
Compression Ratio | 20.5 To 1 |
Firing Order | 1-3-4-2 |
Performance (JIS D1005, Production Tolerance ± 5% ) | |
Rated Power | 44.9 kW (61 ps) / 2450 rpm |
Max. Torque | 186.3 Nm (19 kg -m) / 1600-1800 rpm |
Idle Engine Speed | 750 ± 25 rpm |
No Load Max. Engine Speed | 2690 rpm |
Air Intake System | Naturally Aspirated |
Lubrication System | Full Forced Pressure Feed Type |
Oil Pump | Trochoid Type Oil Pump By Camshaft Driven |
Anguarity Limit | All Direction, 0.349 Rad (20 deg.) |
Lubrication Oil Capacity | Max. 7.5 Lit., Min 5.5 Lit (Oil Pan Only) |
Type of Lubrication Oil | API CC or CD |
Cooling System | By Pressurized Water Forced Circulation Type, Centrifugal Vane Type, By Vee Belt Driven |
Cooling Capacity | 4.5 Li t. (Engine Only) |
Fan Speed Ratio | 1.12 (Crankshaft Pulley Dia./Fan Pulley Dia.) |
Timing Gear PTO | |
Speed Ratio To Crank | 1 To 1.2 |
Rotation Direction | Clockwise Viewed From Front |
Number of Tooth | 10 |
Output Torque Capacity | 90 Nm (9.8 kgfm) |
Fuel System | |
Injection Pump | Zexel Make, Distributor Bosch VE Type Injection |
Injection Timing | 6 deg. BTDC |
Inj. Nozzle Opening Pressure | 14.7 MPa (150 kgs/cm2) |
Type of Fuel | SAE 2D Diesel Fuel, Fuel Filter W / Sedimenter Should Be Applied |
Electrical System | Negative Grounding System, 12 V |
Starting Aid | Sheathed Type Glow Plug, Rating 11 V, QOS-III |
Dry Weight | 244 kgs (538 lbs) |
Dimensions (L x W x H) | 710 x 554.5 x 732.5 mm (28 x 22 x 29") |
Engine Asm Drawing No. | DI 1-5260 |
Performance | SD-5091 |
