Name: Dongfeng Liuzhou Chenglong H7 Series Heavy Truck
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Dongfeng Liuzhou Chenglong H7 Series Heavy Truck

The H7 series now offers multiple powertrain options including diesel, LNG (natural gas) , pure electric, and hydrogen internal combustion engine versions, catering to various transportation scenarios and energy needs.

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1. Overview

The Chenglong H7 is a next-generation high-efficiency logistics heavy truck platform developed over three years by Dongfeng Liuzhou Motor Co., Ltd. . Since its launch in 2015, the H7 series has expanded to cover multiple categories including tractors, cargo trucks, and refrigerated vehicles . With 67 patents, the H7 platform embodies the core characteristics of "safety, reliability, fuel efficiency, and high performance" .

2. Key Features by Powertrain

2.1 Diesel Version

Feature	Description
Powerful Engine	Cummins Z14 (600 HP) / Yuchai 6K (420-480 HP) / Weichai WP13 (550 HP)
Large Fuel Tank	Dual tank configuration up to 1,300L total capacity
Efficient Drivetrain	Eaton ECE12 AMT or Fast 12-speed transmission
Lightweight Design	Curb weight as low as 7.6 tons

2.2 LNG (Natural Gas) Version

Feature	Description
High Horsepower Gas Engine	15L engine, 590 HP, 2,600 Nm torque
Ultra-Low Gas Consumption	Minimum gas consumption 179g/kWh; actual平原 consumption ~25kg/100km
Long Range	1,500L LNG tank standard; optional 2×1,350L (2,700L)
Lightest Weight	Curb weight as low as 8.9 tons
B10 Life	1.8 million km

2.3 Pure Electric Version

Feature	Description
Battery Capacity	281.91 kWh (CATL lithium iron phosphate)
Peak Motor Power	360 kW
Max Torque	2,800 Nm
CLTC Range	210 km
GVW	25,000 kg
Battery Warranty	8 years

3. Technical Specifications (Representative Models)

3.1 Diesel – Chenglong H7 600 HP 6×4 Tractor

Parameter	Value
Model	LZ4252H7DC1
Drive Type	6×4
Dimensions (L×W×H)	7,160 × 2,525 × 3,940 mm
Curb Weight	9,680 kg
GCW	40,000 kg
Engine	Cummins Z14NS6B600, 13.48L, 600 HP, 2,750 Nm
Transmission	Eaton ECE12 AMT (12-speed)
Fuel Tank	1,300L (800L+500L aluminum)
Tires	295/80R22.5
Max Speed	110 km/h

3.2 LNG – Chenglong H7 Pro 590 HP

Parameter	Value
Drive Type	6×4
Engine	15L gas engine, 590 HP, 2,600 Nm torque
Transmission	12-speed aluminum housing AMT
Rear Axle Ratio	3.7 (new 440 lightweight axle)
LNG Tank	Standard 1,500L / Optional 2×1,350L
Minimum Gas Consumption	179g/kWh
Actual Gas Consumption	~25kg/100km (flat terrain)
B10 Life	1.8 million km
Curb Weight	As low as 8.9 tons

3.3 Pure Electric – Chenglong H7 6×4 Battery-Electric Tractor

Parameter	Value
Model	LZ4250H7DZBEV1
Drive Type	6×4
Dimensions (L×W×H)	7,390 × 2,525 × 3,660 mm
Wheelbase	3,800 + 1,350 mm
Curb Weight	11,500 kg
GCW	37,370 kg
Motor Power	Peak 360 kW / Rated 250 kW
Max Torque	2,800 Nm
Battery	CATL 281.91 kWh lithium iron phosphate
CLTC Range	210 km
Max Speed	89 km/h
Tires	12R22.5 18PR (10 pieces)
ABS	Standard

4. Cab & Driver Comfort Features

Feature	Specification
Cab Type	High-roof flat floor
Interior Height	1.92-1.93 meters
Lower Bunk Width	Up to 1.2 meters
Storage Capacity	800L+
Seat	Premium leather air suspension seat with heating, ventilation, and massage functions
Steering Wheel	Leather-wrapped 4-spoke multifunction
Instrument Cluster	7-inch color LCD display
Center Display	10.1-inch touchscreen
Air Conditioning	Automatic climate control
Cab Suspension	4-point airbag suspension
Additional Features	Parking A/C, auxiliary heater, 220V power outlet, original equipment clothes drying rack
Noise Level	65 dB (idling), better than industry average

5. Safety & Intelligent Features

System	Function
FCW (Forward Collision Warning)	Alerts driver of impending collision
LDWS (Lane Departure Warning)	Alerts when drifting from lane
ESC (Electronic Stability Control)	Prevents vehicle rollover
360° Surround View Camera	Eliminates blind spots
Driver Monitoring System (DMS)	Monitors driver fatigue
TPMS (Tire Pressure Monitoring)	Real-time tire pressure monitoring
Hydraulic Retarder	Optional, 4,000 Nm braking torque for long downhill descents
Chenglong V+ Telematics	Remote vehicle monitoring, fault diagnosis, fuel consumption analysis, fleet management
Dragon Bone Frame Cab	High-strength safety structure, meets ECE R29 crash test standards

6. Powertrain & Chassis Configuration

6.1 Diesel Engine Options

Engine	Displacement	Power	Torque	Applications
Cummins Z14	13.48L	600 HP	2,750 Nm	Long-haul logistics, line haul
Weichai WP13	12.54L	550 HP	2,550 Nm	Long-distance standard load
Yuchai 6K	12.15L	420-480 HP	2,238 Nm	General cargo, hazardous materials

6.2 LNG Engine Options

Engine	Displacement	Power	Torque	Best For
Yuchai 15L	14.8L	590 HP	2,600 Nm	Highway logistics, resource transport
Yuchai 13L	12.9L	480-540 HP	2,300-2,500 Nm	Coal, sand/gravel transport

6.3 Chassis Common Configuration

Component	Specification
Frame	282mm single-layer high-strength frame
Front Axle	7,000 kg capacity
Rear Axle	New 440 lightweight axle, 3.7 ratio
Hub Bearings	ConMet maintenance-free hubs, 500,000 km service interval
Tires	12R22.5 / 295/80R22.5
Suspension	Front 2 / Rear 3 leaf springs; optional air suspension
Fifth Wheel	JOST 90#

7. Application Scenarios

Application	Recommended Model	Key Advantage
Long-haul Logistics	H7 Pro LNG 590 HP	Low gas consumption, long range, high comfort
Line Haul / Relay Transport	H7 600 HP Diesel	Large fuel tank, powerful engine, high efficiency
Cold Chain Logistics	H7 Pro 6×2 Refrigerated	Air suspension, fuel efficiency (~20L/100km)
Resource Transport (Coal/Sand)	H7 Pro LNG 480-540 HP	Gas cost advantage, strong climbing ability
Port / Mining / Power Plant	H7 Pro Electric Tractor	Long-range battery, low operating cost
Hazardous Materials	H7 385-480 HP	Rich safety features, regulatory compliance
Zero-Emission Demonstration	H7 Hydrogen IC Engine	Zero carbon emissions, policy support

8. Comparison: Diesel vs. LNG vs. Electric

Comparison Aspect	Diesel	LNG	Pure Electric
Max Horsepower	600 HP	590 HP	489 HP (360 kW)
Fuel/Energy Cost	Higher	~60% of diesel cost	Lowest
Range	3,000+ km	2,000+ km	~210 km
Refueling/Recharge Time	5-10 min	5-10 min	1-2 hours
Curb Weight	~9.7 tons	8.9-9.0 tons	~11.5 tons
Initial Cost	Medium	Slightly higher than diesel	Highest
Best For	Nationwide routes	Routes with LNG stations	Short-haul, fixed routes
Annual Savings	—	~$2,500 USD	~$3,000-4,000 USD

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