Dongfeng TZ3Z 8x4 Electric Dump Truck for Quarry Haulage

What the project catalogue lists for TZ3Z

The product-data catalogue identifies the Dongfeng TZ3Z as an 8x4 electric dump-truck configuration in the 55 t gross vehicle weight (GVW) class. Its listed battery capacity is 400 kWh, with motor output shown as 315 kW rated and 510 kW peak. The same row identifies a 4AMT transmission, wheelbase segments of 2,050 + 3,400 + 1,350 mm, DF601S / HDZ300 axles, 12.00R20 tyres, EBS + ESC and GB charging. These are catalogue entries, not a complete order specification or a performance guarantee.

Most importantly, 55 t GVW is not payload. Payload is the difference between the permitted completed vehicle mass and the actual truck mass in its operating configuration, subject to axle limits and destination-market law. A dump body, hydraulic equipment, guards, spare wheel, occupants and other options all matter. Ask for a mass statement for the complete build before comparing tonnes carried.

Start with the quarry's measured haul cycle

A quarry duty cycle is defined by more than the one-way distance. Map the loaded climb from the loading face, empty return, ramps, internal roads, queueing, loading, tipping and any public-road link. For each segment record distance, elevation change, gradient, surface, speed, stops and whether the truck is loaded. Note seasonal changes such as wet or loose surfaces, temporary detours and access-road maintenance. A short steep climb with a full body can be more demanding than a longer level leg.

Record the operational target in terms of tonnes moved per shift, dispatch interval and working hours. Then identify how many cycles fit in a shift after allowing for loading, weighing, traffic control, charging, inspections and breaks. Do not derive cycle count from battery capacity alone. It also depends on the energy used per cycle, the usable operating window approved for the exact vehicle and the reserve needed for route variability. A representative instrumented trial is stronger evidence than a generic range estimate.

Map restrictions from pit to discharge point: turning radius at loading and tipping locations, road width, passing bays, overhead structures, gradients, surface bearing capacity and any bridge or road limits. Verify the finished truck's dimensions and axle loads with the supplier. An 8x4 layout indicates driven/steered axle arrangement at a high level; it does not itself certify access, traction or legal suitability at a specific quarry.

Specify the dump body before calculating payload

Quarry material varies widely in bulk density, abrasiveness, moisture and particle size. Define the material and typical loading practice before choosing body volume. A body that can hold a large volume may reach its legal mass limit before it is full when carrying dense rock; lower-density material may require volume instead. Establish a loading method and, where appropriate, use a weighbridge process to prevent overload. Payload claims should be based on the completed configuration, not GVW.

Ask the body builder and chassis supplier to coordinate the body mounting drawings, frame interfaces, permitted load distribution, center-of-gravity envelope and any electrical or hydraulic connections. Confirm the tipping direction, cylinder and pump arrangement, control logic, body-up warning and interlocks, tailgate, liner, cover and maintenance access. The catalogue row does not specify a body package or establish that a particular PTO or hydraulic system is included. Put those inclusions and responsibilities into the build specification.

Review axle loads in empty, partially loaded and full-body conditions. Loading position can alter axle distribution, and a raised body changes stability conditions. Site gradients, cross-slope and ground strength at the tipping area require a safe operating assessment by the responsible engineering and site teams. This article is not a substitute for the body manufacturer's operating manual or site risk assessment. Agree commissioning, operator training and documentation with the suppliers before delivery.

Tyres also need to match the actual load, surface and operating speed. The catalogue lists 12.00R20, but it does not state every approved tyre make, load index or local replacement option. Verify wheel and tyre approvals, inflation procedure, inspection interval and availability near the operating site. Quarry punctures and cut damage can affect availability, so include repair and recovery arrangements in the operating plan.

Plan the 400 kWh battery around the shift

The listed 400 kWh capacity does not establish a fixed range, cycle count or charge duration. Energy consumption will vary with gross mass, gradient, road surface, speed, stop-start operation, weather, cab heating or cooling and auxiliary equipment. Obtain a route-specific assessment for the selected configuration. If operating data from a similar truck is available, record energy by route segment and distinguish loaded from empty travel. Where it is not, plan a monitored pilot and avoid committing the entire fleet to an untested duty cycle.

Define a target start and finish state of charge using the vehicle supplier's operating guidance, then include an energy reserve for queues, detours, changing face locations and charger downtime. Avoid assuming that all nominal capacity is available for routine work. The usable window, charge curve and temperature-related controls depend on the vehicle and battery system; request written operating information for the exact build.

Check whether charging occurs at the depot, at a controlled site location or during a shift break. The catalogue lists GB charging; this label should be confirmed against the delivered inlet, charger connector, communication protocol, voltage/current limits and destination-market requirements. Have a qualified electrical contractor assess the site supply, demand management, protection, cable routes and environmental exposure. For dusty, wet or high-traffic areas, charger siting and physical protection deserve special attention. No charger power or installation design is specified in the available TZ3Z row.

Model charger availability as part of fleet capacity. Consider simultaneous arrivals, shift overlap, charging bays blocked by maintenance, and what happens if one charging point is offline. Schedule vehicles so that a charging window is operationally realistic rather than merely present on paper. Track energy delivered, connection time, charge interruptions and departure readiness during a pilot; these measures expose site bottlenecks that battery specification alone cannot reveal.

Prepare the quarry and fleet team

Before deployment, walk the route with operations, safety and maintenance staff. Mark charging areas, reversing zones, pedestrian crossings, tipping points and recovery access. Update traffic rules for the truck's dimensions and operating characteristics. Driver familiarisation should cover vehicle checks, braking and stability systems, safe body operation, charging procedures, defect reporting and the response to a route or charger disruption. Training and procedures must follow the supplier's manuals and local occupational-safety requirements.

Set a daily inspection routine for tyres, brakes, suspension, cooling-system alerts, charging inlet, high-voltage warning indicators and body equipment. Agree the maintenance scope, diagnostic support, consumables, parts lead times and escalation channel with the supplier before vehicles enter service. A quarry may be remote from a workshop, so recovery arrangements and safe isolation capability should be confirmed for the actual location.

For a fleet trial, collect consistent operational data: route and elevation, payload or weighbridge tickets, shift length, cycle count, energy consumed and charged, ambient conditions, waiting time, downtime and maintenance events. Compare like-for-like routes and loads. Report both productive hours and charging/standing time. This evidence can then be used to refine shift design and charger allocation without treating an isolated best-day result as the expected norm.

What remains unconfirmed

The catalogue does not provide a validated range, tonnes-per-trip figure, cycles per charge, charge time, price, warranty, certification, body specification or quarry test result for TZ3Z. It also does not confirm that every listed configuration is offered in every export market. Those details require written confirmation for the destination, duty cycle and completed vehicle. Do not treat the generic dump-truck image on this page as proof of the exact model pictured or as test evidence.

Use the data as an initial shortlist, then request a dated technical offer with configuration code, battery and charging details, completed mass, axle limits, body scope, dimensions, safety equipment, applicable approvals, service plan and commercial terms. Have local specialists assess road access, electrical installation and site safety. Compare the TZ3Z with alternatives using the same material, route, legal payload definition, shift and charging assumptions.

TZ3Z quarry-buyer checklist

• Destination country, registration class, route permits and applicable axle/mass limits.
• Material density, target tonnes per shift, loading method and weighbridge control.
• Loaded and empty route distances, elevation, grade, surface, queues and seasonal variation.
• Completed-vehicle mass, axle distribution, dump-body volume and body-system scope.
• Safe turning, tipping, passing and recovery areas across the full route.
• Route-based energy estimate, approved SOC window, reserve and monitored pilot plan.
• GB inlet and charger compatibility, site power review, charging layout and outage plan.
• Tyre specification, maintenance coverage, spare parts, operator training and support.

Compare the wider Dongfeng electric dump-truck range, review how 6x4 and 8x4 layouts differ, and use the battery-capacity planning guide for the energy questions. For a project review, send your route, material, target payload and charging conditions.

Frequently asked questions