Dongfeng Tianlong KL (Front Four Rear Eight) Refrigerated Truck – Professional Product Introduction | DFAC 8x4 Refrigerated Truck with 9.6m box length and 56.8m³ cargo volume
I. Product Overview
The Dongfeng Tianlong KL (Front Four Rear Eight) Refrigerated Truck is a heavy-duty temperature-controlled delivery vehicle engineered for long-haul cold chain logistics and high-volume refrigerated transport. As part of Dongfeng's prestigious Tianlong KL series, this insulated transport truck features an 8x4 configuration (front four rear eight wheels) providing exceptional stability and load capacity for demanding applications. This refrigerated freight solution is specifically designed for nationwide distribution of frozen food, fresh produce, pharmaceuticals, seafood, meat products, dairy, ice cream, and other perishable cargo requiring consistent temperature control over long distances. Manufactured by Chengli Group, a trusted refrigerated truck manufacturer, this vehicle combines the powerful Longxi engine with advanced insulation technology to deliver unmatched performance for the most demanding temperature-sensitive transportation operations. The reefer truck represents the pinnacle of commercial vehicle engineering for cold supply chain applications.

II. Core Specifications
Chassis Model: Dongfeng Tianlong KL DFH5310XLCDX heavy-duty truck chassis / class 8 truck chassis
Configuration: 8x4 (Front Four Rear Eight) with tandem rear axles / dual drive axles
Engine Model: Longxi DDi11E465-60 diesel engine / heavy-duty diesel engine
Power Output: 343 kW (465 Horsepower) engine power / horsepower rating
Peak Torque: High-torque output for maximum load capacity
Displacement: 10800 ml (10.8L) engine displacement / 10.8-liter engine
Emission Compliance: National Phase VI (Guo VI) emission standard with SCR technology and diesel particulate filter
Transmission: Dongfeng DA1223 automatic transmission / automated manual transmission (AMT)
Front Axle: 5-Ton front axle capacity with heavy-duty steering
Rear Axle: 10-Ton rear axle capacity each (tandem configuration, total 20 tons) with hub reduction
Frame Dimensions: 300 x 80 x 8 mm reinforced truck frame / heavy-duty frame rails
Tires: 12R22.5 18PR radial tires / steel-belted radial tires (真空胎)
Fuel Tank Capacity: 600L + 400L aluminum fuel tanks (total 1000L capacity) with dual tank system
Final Drive Ratio: 2.87 axle ratio / rear end ratio for highway efficiency
Battery: 180Ah heavy-duty battery / maintenance-free battery
Alternator: 90A high-output alternator / heavy-duty alternator
Inverter: 300W power inverter for AC accessories
Wheelbase: 2050 + 4600 + 1350 mm tridem wheelbase configuration / multi-axle wheelbase
Cab Features: Tianlong KL high-roof double sleeper cab with stand-up height, 10-inch touchscreen display, four-way camera monitoring system (360-degree view), automatic climate control, air suspension driver seat, multifunction steering wheel, and other factory standard features

III. Exterior Dimensions, Box Size, Materials & Design Philosophy
Overall Vehicle Dimensions: 12000 x 2600 x 3990 mm exterior dimensions / external measurements / overall length width height
Insulated Cargo Box Internal Dimensions: 9500 x 2440 x 2450 mm (Approx. 56.8 cubic meters cargo capacity / 56.8 m³ load volume)
Cargo Floor Area: Approximately 23.18 square meters loading floor space / deck area
Box Wall Thickness: High-density insulation thickness (80-100 mm typical) meeting national insulation standards
Wheelbase: 2050 + 4600 + 1350 mm tridem wheelbase
Box Construction Materials: The refrigerated compartment features a high-strength sandwich panel construction with composite panel technology manufactured through advanced vacuum adsorption and hydraulic adsorption one-piece molding production lines. The inner and outer walls are made of corrosion-resistant, high-strength fiberglass reinforced plastic (FRP) , providing excellent thermal insulation and oxidation resistance. The core insulation layer is composed of high-density polyurethane foam with closed-cell structure, ensuring minimal temperature fluctuation and superior thermal performance with low thermal conductivity. Flooring features durable anti-slip aluminum tread plate (diamond plate) with forklift reinforcement for safe loading and unloading with heavy equipment

Door Configuration: Rear double doors with heavy-duty stainless steel hinges and locking mechanisms, 270-degree opening option for easy dock loading
Sealing System: Door frames utilize specialized labyrinth rubber sealing strips with magnetic seals and compression seals to maintain temperature integrity and prevent thermal leakage. Stainless steel door hardware with paddle handles and cam locks ensures long-lasting, corrosion-resistant performance.
Interior Lighting: LED energy-saving lighting with motion sensor for convenient nighttime or low-light operations, reducing power consumption
Design Philosophy: The design prioritizes "Heavy-Duty Performance with Maximum Capacity." The massive 56.8 m³ cargo compartment is optimized for high-volume long-haul cold storage distribution and full truckload (FTL) refrigerated freight. The Tianlong KL high-roof double sleeper cab provides exceptional comfort for two-person driving teams, enabling team driving for reduced downtime. The 8x4 configuration with tandem rear axles ensures superior load-bearing capacity and stability for the heaviest refrigerated loads up to GVWR limits. The focus is on creating a durable, thermally efficient mobile refrigeration unit that maximizes payload capacity while delivering exceptional fuel efficiency and driver comfort for cross-country temperature-sensitive logistics.

IV. Structural Advantages – Engine, Transmission, Axles & More
Engine Performance & Reliability: The Dongfeng Tianlong KL is powered by the Longxi DDi11E465-60 heavy-duty diesel engine, delivering 465 horsepower and 343 kW of power. This fuel-efficient engine features advanced common-rail direct injection technology with high-pressure fuel system (up to 2000 bar), providing exceptional durability, massive low-end torque (up to 2240 Nm), and reliable performance under the heaviest loads. The 10.8L engine displacement offers the perfect balance of power and efficiency for refrigerated cargo transport applications requiring consistent temperature maintenance over long distances. Longxi engine reliability with B10 life of over 1.2 million kilometers minimizes vehicle downtime and maximizes productivity for fleet operations. The turbocharged diesel with variable geometry turbocharger ensures consistent power delivery at all altitudes. The emission control system with diesel oxidation catalyst, diesel particulate filter, and SCR meets strict Guo VI standards while maintaining optimal fuel consumption.
Transmission & Drivetrain: Equipped with the Dongfeng DA1223 automatic transmission, the drivetrain represents the latest in commercial vehicle technology. This automated manual transmission (AMT) with 12 forward gears and 2 reverse gears features intelligent shift logic with load-based algorithms that optimize gear selection based on load, terrain, and driving conditions, significantly reducing driver fatigue and improving fuel economy by up to 5% compared to manual transmissions. The transmission features hill-hold assist, creep mode, and manual override for maximum driver control. The gearbox is perfectly matched to the engine's power curve for efficient operation during both highway cruising and mountainous terrain. The ZF technology influence ensures smooth, reliable shifting.
Front and Rear Axles: The 5-ton front axle with reverse Elliot-type construction and tapered kingpin bearings is engineered for precise steering and stability under heavy loads. The tandem rear axles with 10-ton capacity each (total 20 tons) feature hypoid gearing with crown wheel and pinion and full-floating design with hub reduction, specifically engineered to handle the demanding payload of refrigerated freight in an 8x4 configuration. The 2.87 final drive ratio is optimized for highway efficiency, reducing engine RPM at cruising speeds for improved fuel consumption and reduced wear. The inter-axle differential with lock-up capability ensures traction in adverse conditions.

Chassis & Frame: The vehicle features a massive reinforced truck frame measuring 300 x 80 x 8 mm, constructed from high-strength alloy steel (yield strength over 700 MPa) for exceptional durability and load-bearing capacity. The ladder frame design with cross-members and gussets is engineered to handle the heaviest refrigerated bodies and payloads while maintaining structural integrity over millions of miles. The frame features drilled flanges for easy body mounting and accessory attachment.
Suspension System: The multi-leaf spring suspension with shock absorbers on all axles is tuned to absorb road vibrations while protecting sensitive cargo from shock and vibration damage. The tandem rear axle configuration with balance beam suspension and equalizer beams ensures even weight distribution and excellent stability. Optional air suspension available for sensitive cargo applications.
Braking System: The vehicle features a comprehensive air brake system with dual-circuit design for redundancy and air dryer for moisture removal. Drum brakes on all wheels with automatic slack adjusters provide reliable stopping power with consistent performance. ABS anti-lock braking system with wheel speed sensors and ASR traction control ensures stable, controlled braking even under full load, protecting both the driver and the valuable temperature-sensitive cargo. The spring brake actuators on rear axles provide reliable parking brake function.
Electrical System: The 180Ah heavy-duty battery with maintenance-free design and high cold-cranking amps ensures reliable starting in all conditions. The 90A high-output alternator with internal regulator provides ample charging capacity for the refrigeration unit and all electrical accessories. The 300W power inverter (pure sine wave) allows operation of 120V AC equipment directly from the vehicle's electrical system for mobile office functionality.
Fuel System: The dual aluminum fuel tanks with 600L + 400L capacity (total 1000L) provide exceptional range of over 3000 km for long-haul operations, reducing fuel stops and improving delivery efficiency. Aluminum construction reduces weight by 40% compared to steel and resists corrosion. Tank switching valve allows selection between tanks for fuel management.

Cab Design & Driver Comfort: The Tianlong KL high-roof double sleeper cab with galvanized steel construction and robust roll cage represents the pinnacle of driver comfort for long-haul operations. The cab features:
High-roof design with over 1900 mm stand-up height interior
Upper and lower sleeper berths with premium mattresses (700 mm width) for team driving
10-inch touchscreen display with GPS navigation, Bluetooth connectivity, and entertainment functions
Four-way camera monitoring system with split-screen display for 360-degree visibility, eliminating blind spots
Automatic climate control with cabin air filtration and zone control for year-round comfort
Air suspension driver's seat with adjustable lumbar support, heating, and ventilation
Passenger seat with swivel function and fold-down table
Multifunction steering wheel with integrated audio controls, cruise control, and phone controls
Power windows with one-touch operation and central locking
Central door lock with remote keyless entry and power door locks
Ample storage compartments including overhead lockers, under-bed storage, and door pockets
Sound insulation with multi-layer damping for quiet operation (under 68 dB)
LED interior lighting with reading lights
Sun visors and side window shades for glare reduction
12V power outlets and USB charging ports throughout
Safety Systems: The comprehensive safety package includes the four-way camera monitoring system, ABS with electronic brakeforce distribution, hill-start assist, and robust chassis construction, ensuring safe operation under all conditions. LED daytime running lights and adaptive headlights improve visibility.

V. Product Features & Chengli Group Manufacturer Advantages
Massive 56.8m³ Cargo Capacity: The 9500 x 2440 x 2450 mm refrigerated compartment offers an exceptional 56.8 cubic meters of load volume, making this vehicle ideal for high-volume cold storage distribution and full truckload (FTL) refrigerated freight operations. The generous dimensions accommodate 24-26 standard pallets efficiently with pallet-wide configuration. The internal height of 2450 mm allows for double-stacking of many products.
Superior Insulation Technology: The refrigerated box body is manufactured using advanced vacuum adsorption and hydraulic adsorption one-piece molding production lines with precision temperature control during curing. This creates a seamless, high-density thermal barrier with closed-cell polyurethane foam (density 40-45 kg/m³) that guarantees temperature retention with K-factor below 0.025 W/mK. This significantly reduces the workload on the refrigeration unit, ensuring optimal energy savings and cooling performance. The insulation maintains consistent interior temperatures even in extreme ambient conditions from -30°C to +40°C, providing reliable cold chain integrity for the most sensitive cargo.
Premium Material Construction: Inner and outer walls feature high-quality fiberglass reinforced plastic (FRP) with ISO gel coat finish that is non-light-absorbing, thermally efficient, hardness-enhanced, and oxidation-resistant. The aluminum tread plate floor with diamond pattern and integrated floor rails provides excellent slip resistance and durability during loading and unloading operations with forklifts and pallet jacks. Reinforced floor construction supports up to 6 tons per axle load.
Airtight Sealing System: Specialized labyrinth rubber sealing strips with magnetic contact and compression seals on rear door frames maintain temperature integrity and prevent thermal leakage. These weather seals with EPDM rubber (ethylene propylene diene monomer) create an airtight barrier that prevents temperature loss and moisture ingress. Stainless steel door hardware including heavy-duty hinges with grease fittings, cam locks, and paddle handles ensure long-lasting, corrosion-resistant performance with IP65 rating for weather resistance.
Long-Haul Refrigeration Capability: The massive 1000L fuel tank capacity (600L + 400L) provides exceptional range of 3000+ km for cross-country operations, while the powerful electrical system with 180Ah battery and 90A alternator ensures reliable refrigeration unit operation throughout the journey. The dual battery system with battery isolator ensures starting power is always available.
Advanced Driver Assistance: The 10-inch touchscreen display with four-way camera monitoring system provides 360-degree visibility with split-screen display, significantly enhancing safety during maneuvering in tight loading docks. The automatic transmission with load-based shifting reduces driver fatigue during long hours of operation. Lane departure warning and forward collision warning (optional) add additional safety layers.
Optimized for Fleet Operations: The 2.87 final drive ratio is specifically selected for highway efficiency, reducing fuel consumption by 5-8% compared to standard ratios and engine wear during long-distance operations. The dual fuel tanks allow for fuel purchasing optimization and extended range. Telematics-ready electrical system supports fleet management integration.
Durability & Reliability: The massive 300 x 80 x 8 mm reinforced frame, heavy-duty axles with million-mile bearings, and Longxi engine with B10 life of 1.2 million kilometers are engineered for million-mile reliability, making this vehicle a cost-effective choice for fleet operators requiring maximum uptime and lowest total cost of ownership.

Multi-Temperature Capability: Optional thermal partition walls with insulated doors allow division of the cargo area into multiple temperature zones (e.g., frozen -20°C and refrigerated +2°C) for mixed loads and multi-temperature distribution.
Chengli Group Advantage – Specialized Vehicle Manufacturing Expertise: As a product of Chengli Group, a leader in the special purpose vehicle industry and a renowned commercial vehicle manufacturer with ISO 9001:2015 certification and CCC certification, this heavy-duty refrigerated truck benefits from decades of specialized manufacturing expertise. Our advantage lies in the precision engineering of the insulated compartment to perfectly match the Dongfeng Tianlong KL chassis specifications. We seamlessly integrate the refrigeration system with the vehicle's electrical and mechanical architecture for reliable, worry-free operation. As a trusted refrigerated truck builder with ISO-certified production facilities and strict quality control including thermal performance testing, we offer a complete, ready-to-deploy solution for temperature-sensitive logistics, frozen food distribution, pharmaceutical cold chain meeting GDP standards, seafood transport, meat processing logistics, ice cream distribution, dairy transport, and other cold supply chain needs globally. Our custom refrigerated solutions with OEM capabilities and engineering support ensure that every vehicle meets the specific requirements of our customers' operations, whether for regional distribution or cross-country long-haul refrigeration. With global export experience to over 100 countries, we understand and meet international quality standards.




