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Isuzu Industrial Engine 4JG2 Diesel Engine 44.9 kW (61 ps) / 2450  rpm

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.


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Isuzu Industrial Engine 4JG2 Diesel Engine

Isuzu J engine 4JG2- diesel engine

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.


Isuzu Industrial Engine 4JG2 Diesel Engine 44.9 kW (61 ps) / 2450  rpm  Standard Features (U.S. EPA Current Tier Certified)

  • 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*

Isuzu Industrial Engine 4JG2 Diesel Engine 44.9 kW (61 ps) / 2450  rpm  Standard Features (Lesser Regulated Countries)

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

Isuzu Industrial Engine 4JG2 Diesel Engine 44.9 kW (61 ps) / 2450  rpm Available Options

  • Cooling system

  • Air Cleaner

  • Exhaust system

  • Front and rear mounts

  • Skid base

  • Instrument panel & extension harness

  • Custom power unit



Isuzu Industrial Engine 4JG2 Diesel Engine 44.9 kW (61 ps) / 2450  rpm specification

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



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