The Isuzu GIGA 6X4 VC66 chassis uses an Isuzu Class II truck chassis with a 4600+1370mm wheelbase, a total mass of 35 tons, a curb weight of 9.2 tons, and front and rear axle load-bearing capacity of 9000/13000/13000kg. It is equipped with an Isuzu 6WG1-TCG60 420HP Euro VI engine with 2250N.m of torque and a displacement of 15681ml. It is equipped with a Fast 12-speed gearbox, a fuel tank of 200L, a maximum speed of 100km/h, a 4.555 speed ratio, 385/65R22.5 front tires and 315/80R22.5 rear tires with tubeless tires, electric windows, power steering system, air conditioning, and ABS anti-lock braking system.
Manufacturer:
Powerstar TrucksWork capacity:
25tonsDimension:
9745×2540×3080 mmCabin type:
Isuzu 6x4 GIGA VC66 cabin chassisWheelbase:
4600+1370 mmEngine power:
420HP/309kWEngine type:
Isuzu 6WG1-TCG60Axle drive:
6*4,LHDGear box:
Fast 12-shift gearbox,manualRemarks:
Suitable for modification of various special vehiclesThe 6WG1 420HP Chassis Cab GIGA Truck is designed for heavy-duty transport and efficient conversions! Equipped with a 6WG1-TCG60 engine, it delivers a powerful 420 horsepower and 2250 Nm of torque, paired with a Fast 12-speed transmission, ensuring exceptional performance in all operating conditions. Its long wheelbase, high-load axles, and heavy-duty vacuum tires ensure its robust conversion adaptability. It can be used to convert a variety of heavy-duty vehicles, including sanitation trucks, emergency vehicles, engineering trucks, tank trucks, vans, and specialized vehicles.

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» Ⅰ.Product Defination and Introduction:
Manufacturer: POWERSTAR TRUCKS INDUSTRY CO., LIMITED.
Product Features
1. Equipped with an Isuzu 420HP engine and FAST 9-speed transmission, it delivers powerful power and a 10% improvement in fuel economy.
2. High gross vehicle mass and lightweight curb weight design, high load capacity, and adaptability to various modification needs.
3. Driving Comfort: Air suspension for the cab and seat, power doors and windows, automatic air conditioning, central locking, and a driving recorder.
4. Modification Availability: Suitable for various heavy-duty vehicles, including sanitation trucks, emergency vehicles, construction trucks, tank trucks, vans, and specialized vehicles.
» Ⅱ. Product Parameter for Isuzu GIGA 420hp chassis truck:
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6WG1 420HP Chassis Cab GIGA Truck |
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Vhicle Model |
QL5350TZZWUVDZY |
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Vehicle Dimensions and Parameters |
Overall Dimension(L x W x H) |
9745×2540×3080mm |
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Wheelbase: |
4600+1370mm |
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Front Wheel Distance: |
2140mm |
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Rear Wheel Distance: |
1855/1855mm |
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Front/Rear Suspension |
1370/2405mm |
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Weights and Capacities |
Curb Weight: |
9200kg |
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GVW: |
35000kg |
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Axle Loads: |
9000/13000/13000kg |
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Engine |
Type: |
Inline 6-cylinder 4-stroke, supercharged, intercooled, water-cooled |
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Engine Model: |
Isuzu 6WG1-TCG60 |
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Max output: |
420HP/309kW |
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Rated speed: |
1400rpm |
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Max torque: |
2250N.m |
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Max torque speed: |
900-1300rpm |
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Displacement: |
15681ml |
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Fuel type: |
Diesel |
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Exhaust Gas Treatment Technology: |
SCR |
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Cabin |
Number of Seats: |
2 seats and a sleeper |
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Cabin type |
Standard Roof One Bed |
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Chassis
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Drive Type: |
6x4,LHD |
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Tires: |
11(Including Spare Tire) |
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Fuel tank |
200L |
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Gearbox |
Fast 12JSDX240TA,12 -speed, 12 forward gears, 2 reverse gears,manual |
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Tire |
Front: 385/65R22.5, Rear 315/80R22.5 |
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Battery |
180Ah |
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Speed ratio |
4.555 |
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Max speed |
100km/h |
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Configurations |
1 |
Power Steering System |
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2 |
Air Conditioning |
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3 |
ABS |
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4 |
Tubeless Tire |
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5 |
Retro-Reflective Marking |
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6 |
Free Maintenance Battery |
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7 |
Central Lock |
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8 |
Power Window |
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9 |
Driving Data Recorder |
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10 |
Widened Bumper |
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» Ⅲ. Product Details & Advantages:

Basic Positioning
• Chassis Type: Isuzu Class II Truck Chassis (6x4 VC66 Series)
• Designed for: Suitable for heavy-duty cargo and special-purpose vehicle conversions (such as tank trucks, mixer trucks, pump trucks, fire trucks, etc.)
• Gross Mass: 35 tons (Rational design, heavy load capacity)
• Curb Weight: 9.2 tons (Lightweight design, ample loading space)

Chassis Configuration
• Wheelbase: 4600+1370mm (Long wheelbase design for improved driving stability)
• Axle Load Distribution: Front axle 9,000kg (I-beam structure), rear axle 13,000kg x 2 (wheel-end reduction axles), drive axle ratio 4.555
Tire Configuration
o Front: 385/65R22.5 (Wide tire design for enhanced grip)
o Rear: 315/80R22.5 (Tubeless tire, reduced rolling resistance, fuel savings of 3%-5%)
• Fuel tank capacity: 200L (aluminum alloy, reduced weight)

Braking system
Main brake: Dual-circuit air brake
Assist system: ABS
Parking brake: Spring-loaded air brake
Max speed: 100km/h
Steering system: Power steering
Comfort features: Power windows, automatic air conditioning, central locking, driving recorder

Engine
Model: Isuzu 6WG1-TCG60 (Euro VI emission standard)
Power: 420HP (309kW) @ 1800rpm
Torque: 2250N·m @ 900-1300rpm (High torque at low rpm, suitable for starting under heavy loads)
Displacement: 15.681L (inline six-cylinder, electronically controlled high-pressure common rail + SCR after-treatment technology)
Advantages: Meets Euro VI emission standards, improves fuel economy by 10%, and extends maintenance interval to 100,000km.

Transmission
Model: Fast 12JSDX240TA (12-speed manual transmission)
First gear ratio: 12.1 (strong gradeability under heavy loads)
Max gear ratio: 0.78 (excellent high-speed cruising economy)
Compatibility: Optimized for Isuzu engines, improving shifting smoothness and reducing power interruptions.
« Ⅳ. Application Modifications
• Construction: Concrete mixer trucks, pump trucks
• Logistics and transportation: Heavy-duty vans, flatbed trucks
• Municipal sanitation and emergency services: Garbage trucks, sprinkler trucks, fire trucks, tow trucks
• Special operations: Truck-mounted cranes, aerial work platforms