The SAGMOTO X5 and X9s sit at different ends of the brand's heavy segment and are often confused because both are "heavy." The X5 is the 18–31-tonne cargo and chassis platform for distribution, bulk and cold-chain; the X9s is the extra-heavy 25–31-tonne tipper and 90-tonne GCW tractor for mining, quarry and heavy-haul. This comparison clarifies which to specify.

Powertrain Comparison

The X5 uses Yuchai YC6J (220–380 HP) and Cummins ISD (200–210 HP) — engine families tuned for cargo duty with good fuel economy and low-end response. The X9s uses the Weichai WP13 (500–560 HP, 2,400–2,550 Nm) — a powerplant built for maximum payload and grade. The X5 prioritises efficiency; the X9s prioritises output.

ParameterSAGMOTO X5SAGMOTO X9s
EngineYuchai YC6J / Cummins ISDWeichai WP13 500–560 HP
Peak torque900–1,500 Nm2,400–2,550 Nm
GVW / GCW18,000–31,000 kg25–31t GVW / 90t GCW
Primary roleCargo, reefer, bulkTipper, heavy tractor
TransmissionFAST 8 / 10-speedFAST 12-speed + retarder

Application Fit

Choose the X5 when the body is a box, curtain, reefer, flatbed or bulk-cargo unit and the route is distribution or regional haul up to 31t GVW. Choose the X9s when the work is aggregate or overburden haulage (8x4 tipper), or heavy lowboy/ tanker duty at up to 90t GCW (6x4 tractor). The two rarely compete head-to-head because their duty cycles differ.

Chassis and Axles

The X5 frame (280 x 80 x 8 mm, optionally double-layer) and 13–16-tonne rear suit cargo payloads and PTO bodies. The X9s frame is a heavier 8+8 mm ladder with 13-tonne hub-reduction tipper axles and 16-tonne single-reduction tractor axles, plus a 600 kW retarder for long grades. For dusty or overloaded sites, the X9s hub-reduction axle is the more durable choice.

Decision rule: If your truck carries a box, reefer or flatbed at up to 31t, the X5 is the efficient, lower-cost answer. If your truck is a tipper in a pit or a prime mover at 80–90t GCW, only the X9s has the torque and axle rating. Match the platform to the body, not the budget.

Total Cost of Ownership

The X5 is the cheaper acquisition (FOB roughly USD 30,000–45,000 by GVW) and the more fuel-efficient on cargo duty. The X9s costs more (USD 52,000–72,000) but is the only option for extra-heavy roles; its TCO is justified by the work it does that the X5 physically cannot. Mixed fleets typically run X5 for linehaul cargo and X9s for site and heavy-haul.

Conclusion

The X5 and X9s are complementary, not competing: the X5 is the efficient heavy-cargo platform, the X9s the extra-heavy tipper and tractor. Most resource and construction fleets run both — X5 for supply and distribution, X9s for production haulage. For tipper specifics see the SAGMOTO dump truck models 6x4 8x4, and for tractors the SAGMOTO tractor trucks prime mover. Contact Shaanxi Fenghan Trading for a duty-matched quote on both.