Used Tractor Truck Procurement Guide · Published: December 20, 2024 · Updated: June 3, 2026 · By Kales Vehicle Used Truck Evaluation Team · Reviewed by Kales Export Sales Engineering · Market focus: Africa long-haul freight, heavy line-haul work, highway container and bulk transport, and fleet renewal
Used 2018 Dongfeng Tianlong VL 520HP 6×4 tractor truck: this Kales page is built for buyers who need more pulling power than a mainstream 420HP used tractor, while still keeping used-truck capex well below new-truck acquisition. It is positioned for heavier long-haul combinations, road-freight fleets, and operators who want a stronger powertrain and larger fuel range without moving into fully premium new-stock pricing.
Engineering guidance from the Kales Vehicle used-truck team for buyers comparing Dongfeng Tianlong VL, Tianlong KL, Hino 700, and HOWO tractor platforms for export fleet use.
Quick answer: choose this used 2018 Dongfeng Tianlong VL 6×4 tractor truck when your fleet needs a higher-power 520HP road tractor for heavier combinations, longer gradients, and long-haul work where 750L fuel capacity and a 3.64 rear ratio matter. It is a stronger fit than a 420HP tractor when the route is power-hungry, but it still keeps used-truck acquisition below new-unit capex. Contact KALES for a tailored quotation based on the required configuration, order quantity, and destination.
Technical Snapshot
| Product type | Used Dongfeng Tianlong VL 6×4 tractor truck |
|---|---|
| Model | DFH4250A9 |
| Model year focus | 2018 stock type |
| Drive configuration | 6×4 tractor head |
| Engine | Dongfeng Cummins ISZ520 51, 13L inline-6 diesel, 520 hp |
| Emission standard | Euro 5 |
| Transmission | Fast 12JSDX240TA manual, 12 forward + 2 reverse |
| Fuel tank | 750L aluminum fuel tank |
| Rear axle ratio | 3.64 |
| Custom quotation | Contact KALES for a tailored quotation based on the required configuration, order quantity, and destination. |
Vehicle and chassis data
| Specification item | Kales data |
|---|---|
| Wheelbase | 3300 + 1350 mm |
| Vehicle dimensions | 6.96 × 2.52 × 3.77 m |
| Curb weight | 9.2 ton |
| GVWR | 25 ton |
| GCWR | 40 ton |
| Maximum speed | 110 km/h |
| Maximum torque | 2460 N·m at 1100-1300 rpm |
| Suspension | Leaf spring, 2/4 spring-leaf layout |
| Tires | 12R22.5, 10 tires |
| Cab and comfort | Raised roof cab, upper sleeper, sunroof, four-point air suspension, air-cushion driver seat, dash camera, air conditioning, start-stop system |
Best Fit Operating Profile
This used Tianlong VL 520HP tractor truck is best for fleets that work heavier long-distance routes and need more reserve power than a standard 420HP tractor usually provides. It suits highway bulk freight, container transport, long cross-border corridors, and buyers who want a stronger engine specification for demanding terrain without committing to new-truck pricing.
Best for
- Long-haul road freight and heavier trailer combinations
- Route profiles with longer gradients or higher average gross combination weight
- Fleet renewal where more horsepower matters to trip efficiency
- Buyers comparing used high-power tractors against newer but costlier stock
Not ideal for
- Buyers whose routes do not need more than a mainstream 375-420HP tractor
- Operations focused only on the lowest acquisition price
- Applications that prioritize mine-road mechanical simplicity over highway power and comfort
Why Buyers Choose This Tianlong VL 520HP Tractor
- Higher-power used-truck position: 520HP gives the page a clear role above mainstream used 420HP tractors.
- Cummins powertrain logic: the ISZ520 engine and Fast gearbox combination is positioned for heavy long-haul pulling.
- Long-route fuel support: 750L aluminum tank reduces refueling frequency on extended corridors.
- Road-speed and ratio fit: 3.64 rear ratio and 110 km/h top-speed positioning suit highway-duty work.
- Driver environment: high-roof cab, upper berth, and four-point cab air suspension support longer-haul usability.
Specification-backed advantages
- Fuel tank: 750L aluminum fuel tank. This provides a concrete durability and load-control basis for the stated duty cycle.
- Engine: Dongfeng Cummins ISZ520 51, 13L inline-6 diesel, 520 hp. This links the powertrain choice to the intended load, grades, and operating conditions.
- Rear axle ratio: 3.64. This makes destination-market parts support and workshop planning easier to confirm before production.
Why This 520HP Tianlong VL Belongs in a Different Buying Discussion
This page should not be judged as just another used 6×4 tractor truck. The real procurement question is whether the fleet actually benefits from stepping up into the 520HP class. When routes involve heavier combinations, longer gradients, and longer daily range, the engine, torque, rear ratio, and fuel capacity begin to matter more than the headline savings from a lower-power truck.
| Buyer comparison point | Best-fit direction | Why |
|---|---|---|
| Higher-power long-haul used tractor | 2018 Tianlong VL 520HP | Better fit for buyers who need stronger pull and larger fuel range on highway work |
| Newer-year used tractor with less extreme power | Dongfeng Tianlong KL 450HP | KL is better for buyers who prioritize newer-year stock over the full 520HP class |
| Japanese-brand 420HP road tractor | Used Hino 700 | Hino is better aligned with buyers who prefer Japanese-brand reliability logic over peak horsepower |
| Lower-capex workshop-familiar tractor | Refurbished HOWO 6×4 tractor head | HOWO remains better suited when entry price and local repair familiarity outrank horsepower |
Engineering and Serviceability Details
Why the 520HP and 13L Cummins combination matters
The old product content is explicit about the truck’s biggest technical differentiator: the 13L Dongfeng Cummins ISZ520 engine. This is what moves the product into the higher-power used-tractor discussion. Buyers who do not need that level of power can save money with a lower-horsepower unit, but buyers who do need it should not pretend a mainstream tractor is equivalent.
Why the 3.64 ratio and 750L tank reinforce the highway angle
The rear ratio and fuel tank capacity point to the same use case: longer-route highway transport where cruising efficiency and refueling intervals matter. Those are not random catalog details. They help explain why the truck is a better fit for long corridors and heavier road combinations than for short local tractor work.
Why cab spec still matters on a used power truck
A 520HP tractor that works hard on long routes also needs a tolerable driver environment. The high-roof cab, upper berth, four-point air suspension, and air-cushion seat are not decoration. They are part of the reason this stock type is more credible for long-distance line-haul work than a more basic used tractor setup.
How is the final quotation confirmed?
KALES confirms the quotation after reviewing the required specification, quantity, destination, and delivery terms. Send the operating requirements for an accurate proposal.
Quotation and Procurement Guidance
Before requesting this Tianlong VL, buyers should confirm route gradients, target gross combination weight, trailer type, emissions requirement, and whether the operation truly needs the 520HP class. That is the fastest way to avoid overbuying or under-powering the fleet.
Inspection Views
Frequently Asked Questions
Who should buy a 520HP used tractor instead of a 420HP unit?
Buyers whose routes involve heavier trailer combinations, longer gradients, or stronger long-haul pulling demand should be the main candidates for a 520HP tractor.
What engine and transmission does this Tianlong VL use?
The listed stock type uses the Dongfeng Cummins ISZ520 51 engine with a Fast 12JSDX240TA manual gearbox.
What should I confirm before ordering?
Confirm route severity, gross combination requirement, trailer type, emissions requirement, and whether the fleet truly needs the 520HP class.
Request Stock Check and Quote
If you need a used 2018 Dongfeng Tianlong VL 520HP 6×4 tractor truck, send your route country, combination weight target, trailer type, and emissions requirement. Kales can then confirm whether this 520HP stock line is the right match for your fleet.
Leave a Reply
You must be logged in to post a comment.