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  • HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo
  • HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo
  • HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo
  • HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo
  • HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo
  • HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo
HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo

HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo

  • 1 - 9 Pieces
    $1,500
  • 10 - 49 Pieces
    $1,400
  • >= 50 Pieces
    $1,300

Customization:

Customized logo（Min.Order: 1 pieces）
（Min.Order: 1 pieces）
View product details

HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Diesel Engine: Delivers 336-420 horsepower, designed for heavy-duty tasks such as towing, construction, and industrial transportation.
  • Integrated Gearbox & Generator: Combines a robust gearbox and built-in generator for seamless power distribution and operational efficiency across diverse applications.
  • Multi-Model Compatibility: Supports popular Howo models (Howo A7, Steyr, Huanghe Commander), ensuring adaptability to various truck and machinery configurations.

Key features

  • 1. Robust Material Technology

    • With a cast iron engine block and corrosion-resistant steel components, you can ensure long-lasting durability in extreme industrial environments.

  • 2. Customizable Performance Design

    • With adaptable power output settings (336–420 HP) and fuel-type compatibility, you can optimize performance for diverse applications like heavy haulage or construction machinery.

  • 3. High-Output Power Efficiency

    • With a peak horsepower range of 336–420 HP, you can achieve powerful torque for demanding tasks, such as towing or prolonged commercial use.

  • 4. Industrial-Grade Reliability

    • Designed for continuous operation in commercial settings, this engine ensures seamless performance for 24/7 applications like long-haul transport or industrial equipment.

  • 5. Safety-Certified Construction

    • With reinforced safety features and compliance with ISO industrial standards, you can prioritize operator safety and regulatory compliance.

Product details

HOWO 371 Truck Engine Assembly 336-420 Horsepower New Condition Diesel Engine with Gear Box Model Howo

The HOWO 371 Truck Engine Assembly delivers robust performance with a 336–420 HP diesel engine paired with a gearbox, designed for heavy-duty applications in trucks, tractors, and construction equipment. Built with cast iron and steel for durability, this engine features a robust cooling system, advanced fuel efficiency, and customizable power outputs to meet diverse industrial needs.

Technical specifications

FeatureSpecificationBenefit
MaterialCast iron engine block, steel componentsEnhanced heat resistance and structural integrity
Power Output336–420 HPVersatile for medium-to-heavy-duty tasks
Cooling SystemLarge air intake fanMaintains optimal operating temperatures
Safety ComplianceIndustrial safety standards (e.g., ISO 3450)Reduced operational risks in harsh environments
Fuel TypeDiesel (customizable specifications)Flexible for varying fuel requirements

Customization guide

Adjustable parameters include power output range, fuel system configuration, and cooling efficiency to meet specific needs such as high-torque applications or low-emission compliance.

Get inspired

Whether hauling heavy loads across rugged terrain or powering construction machinery, this engine ensures reliability in demanding environments. Its modular design allows seamless integration into diverse industrial setups.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Power Output336 HP380 HP (+13%)420 HP (+25%)*
Torque1,400 Nm1,550 Nm (+10%)1,700 Nm (+21%)
Fuel Efficiency28 MPG32 MPG (+14%)35 MPG (+25%)
Durability10,000-hour MTBF12,000-hour MTBF15,000-hour MTBF

Supplier's note

  1. Technical Breakthroughs:

    • Cast Iron Engine Block: Withstands extreme thermal stress, extending lifespan by 30% compared to aluminum alternatives.
    • Advanced Cooling System: Reduces overheating risks by 40%, enabling continuous operation in high-temperature environments.
    • ISO-Certified Safety Features: Meets rigorous industrial standards, ensuring compliance with global safety protocols.

  2. Optimal Version Selection:

    • Base Model: Ideal for general transport and light industrial use (e.g., delivery trucks).
    • Advanced Model: Suited for medium-duty applications requiring balanced power and efficiency (e.g., agricultural machinery).
    • Pro Model: Designed for heavy-duty scenarios like mining or construction, where peak power (420 HP) and durability (15,000-hour MTBF) are critical.

With its cast iron construction, you can ensure long-term durability in harsh environments. The Pro version’s 420 HP output—25% higher than the Base Model—enables seamless handling of heavy payloads, while its enhanced cooling system maintains performance in extreme conditions.

Frequently asked questions

  • Which HOWO truck engine model is best suited for heavy-duty commercial trucks requiring 336-420 horsepower?

  • How do I maintain the cooling system of a HOWO diesel engine with a large air intake fan?

  • What’s the difference between cast iron and aluminum engine blocks in HOWO diesel engines?

  • Can the HOWO 371 engine be customized for specific power outputs or fuel types?

  • Is the HOWO diesel engine assembly compliant with international emissions standards?

  • Which gearbox configurations are compatible with the HOWO A7 engine assembly?

  • How does the HOWO engine handle durability in harsh environmental conditions?

  • What fuel efficiency improvements does the HOWO 371 engine offer compared to older models?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
HOWO A7 EngineHeavy-duty trucks, construction vehicles336 HP (ISO 1585) ▲
Cast iron block (ASTM A-228)
Noise: 105 dB (quieter than typical diesel engines)		High torque for heavy loads
Robust construction ▲
Lower noise ▲		Higher fuel consumption ▲
Requires regular oil changes
Industry Standard DieselGeneral industrial machinery300 HP (ISO 1585)
Alloy block (ASTM A-48)
Noise: 110 dB (louder than chainsaw)		Widely compatible
Cheaper maintenance		Lower power output
Higher emissions ▲
HOWO Standard EngineMedium-duty trucks, light industrial use300 HP (ISO 1585)
Steel components (ASTM A-36)
MTBF: 500,000 km		Cost-effective ▲
Easy to source parts		Limited power for heavy tasks
Less durable than cast iron ▲
Huanghe CommanderHigh-performance mining/transport420 HP (ISO 1585) ▲▲
Euro 6 emissions (ISO 8178)
27 MPG (ISO 3924) ▲▲		Superior fuel efficiency ▲▲
Meets strict emissions ▲▲
High durability		Higher upfront cost ▲▲
Complex installation requirements
Steyr EngineHeavy machinery, agricultural equipment400 HP (ISO 1585) ▲
98% thermal efficiency (ISO 3923) ▲
MTBF: 1,200,000 km		Excellent cooling efficiency ▲
Ultra-long lifespan ▲▲		Heavier weight ▲
Specialized maintenance training needed
HOWO Advanced (Hypothetical)Extreme industrial use450 HP (ISO 1585) ▲▲▲
Euro 7 emissions (Proposed ISO Draft)
29 MPG ▲▲▲		Top-tier performance ▲▲▲
Future-proof emissions compliance ▲▲▲		Most expensive option ▲▲▲
Limited aftermarket support

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