D12.42-420 Heavy-Duty Diesel Engine Assembly — 420 HP Replacement 100% brand new high-quality replacement assembly, engine model D12.42-420 with 420 HP (309 kW) rated power output and 11.596 L displacement. In-line 6-cylinder, water-cooled, turbocharged and intercooled design for heavy duty dump trucks, tractor units, concrete mixers, and logistics fleets. Factory direct supply with international ocean freight dispatch arranged to your port. |
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See why customers in 30+ countries choose our factory-direct parts.
| Parameter | Specifications |
|---|---|
| Product Identification | |
| Product Name | Diesel Engine Assembly |
| Engine Model | D12.42-420 |
| Power & Displacement | |
| Max Power Output | 420 HP / 309 kW |
| Displacement | 11.596 Liters |
| Configuration & Fuel | |
| Cylinder Configuration | In-Line 6 Cylinders |
| Aspiration | Turbocharged & Charge Air Cooled |
| Fuel Type | Commercial Diesel Fuel |
| Product Category | Commercial Vehicle Heavy Diesel Engine & Powertrain Assemblies |
Need a custom order or bulk quantity? Tell us your requirements.
High Torque Output & Superior Gradeability Supplies maximum continuous torque at low RPMs, enabling heavy dump trucks and trailers to navigate steep inclines and rough job sites easily. | Advanced Fuel Injection Efficiency Optimized high-pressure fuel injection system ensures precise atomization, complete combustion, and lower operating fuel consumption. |
Reinforced Cylinder Block & Structural Rigidity High-strength cast alloy block and hardened crankshaft withstand high peak combustion pressures and continuous duty cycles. | Optimized Thermal & Cooling Management Heavy-duty cooling fan assembly and high-flow oil lubrication channels maintain stable operating temperatures under tropical climates. |
Complete Ready-to-Install Unit Delivered as a complete engine assembly — fuel pump, alternator, starter motor, turbocharger, oil filter, and cooling fan — for streamlined installation. |
Ready to enhance your transport efficiency?
The D12.42-420 Heavy-Duty Diesel Engine Assembly is widely utilized as the primary powertrain for heavy transport machinery:
Heavy Commercial Dump Trucks Provides high torque for tippers operating in heavy earthmoving, mining, construction, and quarry haulage. |
Long-Haul Tractor Trucks Delivers continuous high-speed cruising power and fuel efficiency for heavy-duty tractor units pulling multi-axle freight trailers. |
Special Heavy Transport Vehicles Powers heavy-duty cement mixer trucks, crane chassis, and specialized heavy haulage equipment. |
Fleet Engine Replacement & Overhaul The ideal plug-and-play solution for replacing aged, severely damaged, or worn-out engines to restore fleet transport efficiency. |
Packaging Engine is drained of testing fluids, coated with anti-rust protective oil, wrapped in thick waterproof shrink film, and secured on a heavy-duty steel/wooden export skid in a reinforced crate. | Shipping Shipped via ocean freight (FCL full container load or LCL bulk cargo) for safe, damage-free arrival at destination seaports globally. |
Who We Are Established in 2005, a qualified manufacturer of trailers and semi-trailers with integrated production, R&D, and professional sales teams. Annual export value above 50 million dollars, revenue nearly 600 million RMB. | Global Partners Long-term business relationships with SINOTRUK, SHACMAN, FAW, DFAC, XUGONG Group, LIUGONG Group, SEM Group, and mature after-sales systems to meet different customer needs. |
1. Who are we? Based in Shandong, China, since 2017. We sell to Africa (60%), Southeast Asia (20%), South Asia (10%), South America (5%), Oceania (3%), Middle East (2%). 101-200 employees. | 2. How can we guarantee the quality? Always a pre-production sample before mass production; always final inspection before shipment. |
3. What can you buy from us? Truck (Dump Truck, Tractor Truck), Semi Trailer (Low Bed, Flatbed, Fuel Tanker, Bulk Cement), Low Bed Trailer, Trailer Parts, Heavy Duty Diesel Engines & Powertrain Spare Parts. | 4. Why should you buy from us and not from other suppliers? Established in 2005, our plant is a qualified manufacturer of various trailers and heavy truck parts. Factory direct price, customized products, leading technology, professional sales team. |
5. What services can we provide? Accepted Delivery Terms: FOB, CFR, CIF, EXW. Accepted Payment Currency: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF. Accepted Payment Type: T/T, L/C, MoneyGram, Credit Card, PayPal, Western Union, Cash. Language Spoken: English, Chinese, Spanish, Portuguese, Arabic, French. |
Customers from more than 80 countries visit us — from East Africa, West Africa, South America, Asia, and beyond.
ISO 9001, CE, and international commercial vehicle diesel engine quality management standard certifications.
Shandong Chengda Truck Trailer Co, Ltd.
Adresse : ROOM 1901, OFFICE BUILDING 8, SHANGANG XINTIANDI, INDUSTRIAL SOUTH ROAD, JINAN CITY
Tél : +86-531-69985132
Mob/Whatsapp/Wechat : 0086 15053163972
E-mail : vehicles@scdtrailer.com
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