Model Roadmarch PrimeMax A T II has long been established on the market as one of the most balanced options in the segment of medium-duty commercial vehicles. This car combines the reliability of Chinese engineering, adapted to Russian realities, and an affordable price, which makes it attractive for small and medium-sized businesses. But how justified are the expectations from this car? Where are its strengths, and where are its hidden pitfalls?

In this article we will look at technical specifications PrimeMax A T II, let's analyze reviews from real owners, compare with the main competitors and give practical recommendations on operation and maintenance. We will pay special attention to the nuances that dealers are silent about, but which are critical for the long-term reliability of the car.

Specifications Roadmarch PrimeMax A T II: what's under the hood?

The heart of the model is 2.8-liter turbodiesel Yunnei Power YN28QC power 120–150 hp (depending on version). This engine is known for its unpretentiousness to fuel (it runs on DT Euro-5), but has a number of features that you should know about in advance. For example, The turbine resource during regular operation at high speeds rarely exceeds 200 thousand km without major repairs - this is confirmed by data from service centers.

Gearbox - 6-speed manual or automatic machine Aisin (optional). The latter option is more popular, but requires more frequent oil changes: every 60–80 thousand km instead of standard 100 thousand km for manual transmission. The suspension is adapted for Russian roads: the front is independent on double wishbones, the rear is leaf spring with reinforced shock absorbers. Load capacity varies from 3.5 to 5 tons depending on modification.

  • 🔧 Engine: Yunnei YN28QC, 2.8 l, 120–150 hp, turbodiesel
  • ⚙️ Gearbox: 6MT or 6AT (Aisin)
  • 🚛 Load capacity: 3.5–5 tons (depending on version)
  • 🛣️ Ground clearance: 210 mm (enough for gravel roads)
  • ⛽ Fuel consumption: 10–12 l/100 km (declared) vs 13–15 l/100 km (real)
⚠️ Attention: When purchasing, check the engine version! Modifications until 2022 are equipped with a motor YN28QC with a cast iron block, and from 2023 - an aluminum block YN28QC-A. The latter is lighter, but less repairable if overheated.

Comparison with competitors: who is better?

Main rivals PrimeMax A T II on the Russian market - FAW CA1060, JAC N55 And Foton Auman EST-A. By price and equipment Roadmarch often wins, but loses in transmission reliability. For example, FAW CA1060 has a more durable gearbox, and JAC N55 — better cabin sound insulation. However, according to cost of ownership (spare parts, maintenance, fuel consumption) PrimeMax remains the leader.

Parameter Roadmarch PrimeMax A T II FAW CA1060 JAC N55
New price, rub. 3.2–3.8 million 3.5–4.1 million 3.7–4.3 million
Engine life, km 400–500 thousand 450–550 thousand 400–480 thousand
Maintenance cost (average), rub. 12–15 thousand 15–18 thousand 14–17 thousand
Warranty, years/km 3 years / 150 thousand km 2 years / 100 thousand km 3 years / 200 thousand km

Main advantage PrimeMax A T II — low cost of spare parts. For example, a clutch kit costs 18–22 thousand rubles. against 25–30 thousand rubles. from competitors. But there is also a downside: some parts (for example, injection system sensors) have to be ordered from China with a wait of up to 3 weeks.

📊 Which parameter is more important for you when choosing a commercial vehicle?
  • Price
  • Reliability
  • Fuel consumption
  • Load capacity
  • Design and comfort

Owner reviews: the truth without embellishment

Analysis of reviews on sites like Drome And Avto.ru shows that PrimeMax A T II valued at 4.1 out of 5. The main complaints relate to electrician (frequent failures of the on-board computer) and corrosion (thresholds rust after 2–3 years of operation). At the same time they praise ease of repair And unpretentiousness to fuel.

  • ✅ Pros according to reviews:
    • 💰 Low cost of ownership (cheap spare parts, simple maintenance)
    • 🛠️ Easy to find a master (popular model)
    • 🚗 Spacious cabin (convenient for truck drivers)
  • ❌ Cons according to reviews:
    • ⚡ Electrical problems (fuses often burn)
    • 🔥 Engine overheating during long climbs
    • 🔧 Poor sound insulation (noisy at speeds above 80 km/h)
⚠️ Attention: Owners advise immediately after purchase to replace the standard battery with a more capacious one (for example, Bosch S5 100Ah). The original battery often does not withstand winter loads already in the second season.
What do truck drivers say?

Many drivers who use PrimeMax on intercity routes note that after 100 thousand km the turbine pressure begins to “float”. This can be solved by cleaning the EGR valve or turning it off by software (but this voids the warranty).

Maintenance and repair: what to pay attention to?

Maintenance regulations for PrimeMax A T II standard: every 15 thousand km or once a year. But there are nuances: engine oil better to change every 10 thousand km (especially when operating in the city), and fuel filter - every 20 thousand km instead of recommended 30 thousand km. This is due to the low quality of Russian diesel.

Weaknesses of the model:

- Turbine: resource ~150–200 thousand km with aggressive driving.

- Clutch: wears out after 80–100 thousand km (depending on driving style).

- Wheel bearings: require replacement every 60–80 thousand km.

Replace the oil and oil filter|Check the fluid level in the automatic transmission (if automatic)|Clean the EGR valve (if there are signs of cloggedness)|Check the brake pads and discs|Lubricate the wheel bearings-->

Use a scanner to diagnose errors Launch X431 or Autel MaxiCOM. Common fault codes:

- P0299 — low turbine pressure (cleaning or replacement);

- P0401 — malfunction of the EGR system (valve or sensor);

- P0100 — problems with the mass air flow sensor (replacement or cleaning).

💡

Before winter, be sure to check the condition of the glow plugs! Their service life is 60–80 thousand km, and faulty spark plugs can cause a cold start at −20°C.

Tuning and improvements: what can be improved?

Many owners PrimeMax A T II resort to modifications to improve reliability and comfort. Popular modifications:

  • 🔥 Chip tuning: ECU firmware for Euro-3 increases power by 15–20 hp, but reduces engine life. We recommend only for cars over 3 years old.
  • 🛡️ Crankcase protection: Installation of metal protection (4–6 mm steel) will save the engine from damage off-road.
  • 🔊 Noise insulation: Additional treatment of cabin doors and floors (StP Gold or Bitoplast) reduces noise by 30–40%.
  • 🔋 Electrical: Replacing the standard generator with Bosch 14V 120A solves problems with voltage sags.

To increase the load capacity, some install air suspension instead of springs, but this requires re-registration with the traffic police. It is also popular to replace standard headlights with LED optics (For example, Hella LEDayFlex), which improves visibility at night.

⚠️ Attention: When installing gas cylinder equipment (GBO) on PrimeMax A T II Be sure to reflash the ECU! Otherwise, the risk of detonation increases due to incorrect operation of the knock sensor.

Where to buy and how much does it cost?

New Roadmarch PrimeMax A T II in the basic configuration it costs 3.2–3.5 million rub. (2026). Versions with automatic transmission and extended wheelbase are more expensive - up to 3.8–4.0 million rub.. On the secondary market, prices start from 1.8 million rub. for used copies of 2020–2021 100–150 thousand km.

Official dealers:

- Roadmarch Motors Russia (Moscow, St. Petersburg, Yekaterinburg);

- AutoSpetsCenter (Regions: Novosibirsk, Krasnoyarsk, Rostov-on-Don).

When purchasing, check availability service package - some dealers offer free maintenance for the first 50 thousand km.

💡

Before buying used PrimeMax A T II Be sure to check the VIN history! There are frequent cases of incorrect mileage (the actual mileage may exceed the odometer reading by 30–50%).

FAQ: answers to frequently asked questions

❓ What is the real fuel consumption of PrimeMax A T II?

Along the highway - 10–12 l/100 km, in the city - 14–16 l/100 km. In winter, consumption increases by 1.5–2 l due to warming up and the heater being turned on. When fully loaded (5 tons), consumption can reach 18 l/100 km.

❓ Is it possible to drive biodiesel?

The manufacturer does not recommend the use of biodiesel due to the risk of damage to the fuel system. Only a mixture of up to 5% biocomponent (according to standard EN 590). If this threshold is exceeded, the warranty is canceled.

❓ What oil should I pour into the engine?

Recommended oil - Shell Rimula R4 L 15W-40 or Liqui Moly Diesel High Tec 10W-40. It is important that the oil meets specification API CI-4 or ACEA E7. Replacement interval - 10–15 thousand km.

❓ How often do valves need to be adjusted?

Valve adjustment is required every 80–100 thousand km. Signs of the need for adjustment: knocking in the engine when cold, increased fuel consumption, loss of power. Cost of work in the service - 3–5 thousand rubles..

❓ Where can I find spare parts for PrimeMax A T II?

Supplies original spare parts Roadmarch Motors (delivery time - 1-3 weeks). Analogs can be found from manufacturers:

  • Febi (Germany) - bearings, belts;
  • Sach — clutch;
  • Denso — glow plugs, sensors.

Prices for analogues are 20–30% lower than the original.