Product Overview

Ever had a construction or mining project grind to a halt because your dump truck couldn't handle rough roads, steep grades, or heavy loads? Fed up with new trucks that cost a fortune, or used ones that come with hidden breakdowns mid-shift? This HOWO 6x4 dump truck is built to solve exactly those headaches.

Core Specifications

Model：Sinotruk HOWO  Dump Truck

Drive Configuration：6×4 (tandem rear-wheel drive)

Engine：371 ENGINE - EURO II EMISSION STANDARD

Emission Standard：Euro 2 / Euro 3

Transmission：Fast 10-speed manual gearbox

Cab：Sleeper cab with air conditioning, adjustable seats, and storage compartments

Rear Axles：16-ton capacity, 5.73 gear ratio

Suspension：Heavy-duty leaf spring suspension

Brakes：Dual-circuit air brakes with ABS

Tires：12R22.5 radial heavy-duty tires

Fuel Tank：350L aluminum fuel tank

Refurbishment：Full engine overhaul, new filters, brake system calibration, chassis rust protection, and full paint refresh

Common Troubleshooting & Solutions

1. Engine Power Loss Under Load

Common Causes: Clogged air filter, dirty fuel injectors, or low fuel pressure.

Solutions: Replace the air filter, clean or replace injectors, and check the fuel pump pressure.

2. Soft or Unresponsive Brakes

Common Causes: Air in the brake lines, worn brake pads, or a faulty relay valve.

Solutions: Bleed the air from the system, replace worn pads, and inspect the relay valve for leaks.

3. Hydraulic Fifth Wheel Issues

Common Causes: Low lubrication, a stuck locking mechanism, or a damaged kingpin.

Solutions: Grease the fifth wheel regularly, clean and lubricate the locking mechanism, and inspect the kingpin for wear.

4. High Fuel Consumption

Common Causes: Clogged fuel injectors, incorrect tire pressure, or a misaligned chassis.

Solutions: Clean injectors, adjust tire pressure to the recommended level, and have the chassis alignment checked.

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