Description

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Heavy Leading Company Limited is one of the most reliable manufacturers and suppliers of howo 6x4 truck tractor head in China. If you're going to wholesale bulk durable howo 6x4 truck tractor head made in China, welcome to get quotation from our factory. All customized products are with high quality and low price.

Product Overview

This is a HOWO 6x4 truck tractor head, purpose-built for heavy-duty container transport, bulk cargo hauling, and long-haul logistics. Renowned for its rugged build and proven reliability, it's a top choice for fleets operating in Africa, Southeast Asia, and other markets where durability and low operating costs are critical.

Core Specifications

Parameter	Details
Model	Sinotruk HOWO 6×4 Tractor Head
Drive	6×4 (tandem rear-wheel drive)
Engine	Weichai WD615 / WP12 Diesel, 371–420 HP
Emission Standard	Euro 2 / Euro 3
Transmission	Fast 10/12-speed manual gearbox
Cab	Standard high-roof sleeper cab with A/C and bunk
Rear Axles	16-ton capacity double reduction axles, 4.875/5.73 ratio
Suspension	Heavy-duty leaf spring suspension
Brakes	Dual-circuit air brakes with ABS
Tires	12.00R20 radial heavy-duty tires
Fuel Tank	400L / 600L optional tank
Towing Capacity	40–60 tons
Refurbishment	Full engine tune-up, brake overhaul, chassis grease, new paint

Key Advantages

Rugged & Field-Proven

The reinforced chassis and heavy-duty components are built to withstand rough roads, heavy loads, and extreme climates. These units have a proven track record of reliability in mining, construction, and long-haul transport.

Low & Predictable Operating Costs

The Weichai engine is known for its low fuel consumption (32–38 L/100km under full load) and widely available spare parts, keeping maintenance costs low even in remote areas.

Comfortable Driver Environment

The high-roof sleeper cab features air conditioning, ergonomic controls, and a comfortable bunk, reducing driver fatigue during multi-day trips.

Fully Inspected & Serviced

Every HOWO 6x4 truck tractor head undergoes a 150-point inspection, including engine compression tests, brake system calibration, and hydraulic checks, to ensure it's ready to work upon delivery.

Common Troubleshooting & Solutions

Issue	Common Causes	Solutions
Engine lacks power under load	Clogged air filter, dirty fuel injectors, low fuel pressure	Replace the air filter, clean or replace injectors, and inspect the fuel pump.
Brakes feel soft or unresponsive	Air in the lines, worn brake pads, faulty relay valve	Bleed the air from the system, replace worn pads, and check the relay valve for leaks.
Hard shifting or gear slippage	Low transmission fluid, worn clutch components	Check and refill the fluid, adjust clutch free play, or replace worn parts.
Excessive black smoke	Dirty fuel injectors, clogged air filter	Clean or replace injectors, and replace the air filter.

Packaging & Transportation

To ensure your HOWO 6x4 truck tractor head arrives safely and ready for use, we follow a strict process:

1. Pre-Shipment Preparation:

Thoroughly cleaned and degreased.

Treated with anti-corrosion spray on all exposed metal surfaces.

All critical components (fuel caps, hydraulic lines, electrical connectors) are sealed.

The cab is covered with a protective film to prevent scratches.

2. Loading Methods:

Ro-Ro Vessel: The truck is driven onto the vessel, chocked, and secured with heavy-duty lashings.

Flat Rack Container: For maximum protection, the truck is loaded onto a flat rack, strapped down, and lifted onto the ship.

3. Documentation:

A full set of export documents, including the commercial invoice, packing list, bill of lading, and inspection certificate, is provided for smooth customs clearance.