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VC66

Total Weight: 18–35 tons Design Philosophy: Inheriting the Isuzu family legacy—elegant, imposing, lightweight, and fuel‑efficient. The front width of the cab has been carefully controlled to optimize airflow around the vehicle’s front corners, while a streamlined body shape reduces drag on the rear side of the vehicle, delivering optimal aerodynamic performance and helping to improve fuel economy. A Home Away from Home: Featuring a European-style cab that offers ample, spacious, and highly livable interior space, this model boasts a dual-layer sleeper berth designed specifically to meet China’s unique needs. The cab provides plenty of headroom, allowing both driver and passengers to stand upright with ease—and when resting in the sleeper berth, occupants can sit upright without hitting their heads. Comprehensive Upgrades: A full-scale upgrade spanning the cab, engine, transmission, and axles, focusing on fuel efficiency within the high‑utilization, frequently engaged RPM range. From turbocharging to cooling systems and fuel injection, every component is meticulously engineered to minimize fuel costs. Local Development: By leveraging both domestic and international resources, we’ve developed high‑quality, mid‑range commercial vehicles tailored to the needs of Chinese customers. The latest, most reliable next‑generation ZFEcosplit 4 transmission delivers exceptional gear efficiency (0.965–0.97), resulting in even greater fuel savings. Equipped with a high‑torque engine paired with a 16‑speed transmission and a low‑ratio rear axle, the engine operates consistently within its most fuel‑efficient RPM range, significantly reducing vehicle fuel consumption. To accommodate diverse regional conditions and varying payload requirements, multiple gear ratios are available for customers to choose from.

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Product Introduction

Project	VC66 6×4 520 HP Flagship Tractor Truck	VC66 6×4 460 HP Standard Edition	General / Customized for Foreign Trade
Brand and Model	Qingling Isuzu VC66 (GIGA)	Qingling Isuzu VC66 (GIGA)	Diesel; 6×4 tractor; left‑hand / right‑hand drive
Announced Model	QL4250W6NDZ	QL4250W6NDZ	Exports worldwide; Euro 5 / Euro 6 / China VI
Drive Type	6×4 rear dual axle	6×4 rear dual axle	Preferred for Heavy-Haul Traction
Wheelbase	3385+1370mm	3385+1370mm	Long wheelbase ensures stability and is compatible with large trailers.
Vehicle overall dimensions	6895×2540×3970mm	6895×2540×3970mm	High-roof, wide-body cab
Total Traction Mass	40 tons (customizable up to 80 tons)	40 tons	Compliance-driven, highly efficient heavy-duty operations.
Total mass	25 tons	25 tons	A: Can drive.
Engine Model	Isuzu 6WG1-TCG61 (China VI)	Isuzu 6WG1-TCG51 (China V / Euro V)	Inline six-cylinder, high-pressure common rail, turbocharged with intercooler
Displacement	15.681L	15.681L	Isuzu’s top‑of‑the‑line powertrain, globally applicable.
Maximum Power	382 kW (520 hp) at 1,500 rpm	338 kW (460 hp) at 2000 rpm	Low RPM, high torque—powerful for heavy loads and steep climbs!
Maximum torque	2250 N·m at 900–1300 rpm	2060 N·m at 800–1500 rpm	1000 rpm delivers maximum torque and offers strong adaptability to various operating conditions.
Gearbox	ZF ZF16S2530TO 16-Speed Manual (with Retarder)	ZF ZF16S2230TO 16-Speed Manual	All-aluminum housing, high transmission efficiency, global after-sales service.
Rear axle	Meichi 13-ton single-stage reduction axle	Meichi 13-ton single-stage reduction axle	Oil change every 600,000 kilometers, low maintenance costs.
Rear axle ratio	3.08 (standard); optional 3.7	3.7 (standard); optional 3.08	Choose a lower gear ratio for highways in flat areas; select a higher gear ratio for heavy loads in mountainous regions.
Curb weight	8870kg	8870kg	Lightweight design, compliant for multiple loads.
Fuel tank capacity	750L (standard); optional 800L / dual fuel tanks 1500L	600L (standard); 800L optional	Combined fuel consumption: 28–32 L/100 km; range exceeds 2,000 km.
Tire specifications	315/80R22.5 16PR	295/80R22.5 18PR	Wear‑resistant and durable, ideal for long distances and heavy loads.
Braking System	Front disc, rear drum + EBS + ABS + EBD + hydraulic retarder	Front disc, rear drum + ABS + EBD + Automatic Clearance Adjustment	Braking is stable, making heavy loads safer.
Hanging	Front 3, Rear 4 airbags / leaf springs available as options	Front 10, rear 14+10 steel leaf springs	Isuzu’s mature chassis strikes a balance between load capacity and comfort.
Cab	High-roof semi-trailer with 2 seats and two sleeper berths (1.1 meters wide).	High-roof, half-cab with 2 seats and double sleeper berths.	Standard features include Grammer airbag seats, a digital instrument cluster, cruise control, a large-screen navigation system, and a rear-view camera.