D12.42-420 Diesel Engine Assembly – 420 HP Heavy Duty Powertrain This is a 100% brand new, high-grade replacement engine assembly, model D12.42-420, delivering 420 HP (309 kW) rated output from an 11.596 L displacement. Its in-line 6-cylinder, water-cooled, turbocharged and intercooled configuration is engineered for heavy dump trucks, tractor units, concrete mixers, and logistics fleets. Supplied factory-direct with international ocean freight dispatch arranged to your port. |
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Trusted by fleet operators in 30+ countries for factory-direct parts.
| Parameter | Specifications |
|---|---|
| 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 bulk quantities or a tailored order? Just let us know.
Peak Torque at Low RPM Delivers maximum sustained torque at low engine speeds, so heavy tippers and trailers climb steep grades and rough terrain with ease. | High-Efficiency Injection System A high-pressure injection setup provides precise atomization and full combustion, cutting day-to-day fuel consumption. |
Tough Block & Strong Internals A high-strength cast alloy block with a hardened crankshaft copes with peak combustion pressures and non-stop duty. | Heat & Cooling Control A heavy-duty cooling fan and high-flow oil channels keep operating temperatures stable, even in tropical climates. |
Complete Drop-In Assembly Shipped as a full engine package — fuel pump, alternator, starter, turbocharger, oil filter, and cooling fan — ready for a smooth install. |
Ready to upgrade your fleet's reliability?
The D12.42-420 Heavy-Duty Diesel Engine Assembly serves as the main powertrain for heavy transport machinery:
Heavy Commercial Dump Trucks Supplies high torque for tippers in earthmoving, mining, construction, and quarry work. |
Long-Haul Tractor Trucks Provides steady cruising power and fuel economy for heavy tractors pulling multi-axle freight trailers. |
Special Heavy Vehicles Powers cement mixer trucks, crane chassis, and specialized heavy haulage equipment. |
Fleet Engine Replacement & Overhaul The go-to plug-and-play solution for swapping out old, damaged, or worn engines to bring fleet efficiency back. |
Export Packaging Fluids are drained, the engine is coated with anti-rust oil, wrapped in thick waterproof film, and mounted on a heavy-duty steel/wood skid in a reinforced crate. | Ocean Freight Dispatched by sea via FCL or LCL container, guaranteeing safe, damage-free arrival at ports worldwide. |
Our Company Founded in 2005, Shandong Chengda is a certified manufacturer of trailers and semi-trailers, combining production, R&D, and sales teams. Annual exports top 50 million USD with revenue close to 600 million RMB. | Partners & Support We work closely with SINOTRUK, SHACMAN, FAW, DFAC, XUGONG, LIUGONG, and SEM, backed by mature after-sales support for customers worldwide. |
1. Who are we? A Shandong, China based exporter active since 2017, serving Africa (60%), Southeast Asia (20%), South Asia (10%), South America (5%), Oceania (3%), and the Middle East (2%), with 101-200 staff. | 2. How is quality assured? A pre-production sample is always approved before mass production, and a final inspection is carried out before every shipment. |
3. What products do you offer? Dump trucks, tractor trucks, semi trailers (low bed, flatbed, fuel tanker, bulk cement), low bed trailers, trailer parts, and heavy duty diesel engines and powertrain spares. | 4. Why buy from us? Factory direct pricing, made-to-order customization, advanced production technology, and a professional sales team since 2005. |
5. What services do you provide? Delivery terms: FOB, CFR, CIF, EXW. Payment: T/T, L/C, MoneyGram, Credit Card, PayPal, Western Union, Cash. Currency: USD, EUR, JPY, CAD, AUD, HKD, GBP, CNY, CHF. Support in English, Chinese, Spanish, Portuguese, Arabic, and French. |
Buyers from over 80 countries have toured our facilities, spanning East Africa, West Africa, South America, Asia, and more.
ISO 9001 and CE certified, meeting international quality standards for commercial vehicle diesel engines.
Shandong Chengda Auto Sales Co.,Ltd.
Phone,WhatsApp：+86 18853125881
Email：dingzan@scdtrailer.com
Contact Address：
Room 68208‑68209, 1st Street, 4th Floor, Gate 97, District 5, Yiwu International Trade City, Yiwu City, Zhejiang Province, P.R.China
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