Detailed Description 

The SEM 922F is designed to perform where ordinary graders struggle. As a New SEM 922F Motor Grader, it pairs a high-torque SDEC SC9D220G2 engine with a robust powershift transmission to maintain travel speeds and momentum while cutting through compacted layers, reshaping road bases, or restoring haul roads in mining sites. Built under Caterpillar supervision, the machine combines global engineering practices with cost-efficient production.

A 162 kW (≈220HP) rated output and a peak torque of 920 N·m give the grader the reserve to push heavy material loads without frequent downshifts. The converter/powershift gearbox (6 forward, 3 reverse) offers versatile speed ranges for both fine grading and highway transit. Heat management and mechanical integrity in the drivetrain reduce downtime and simplify routine maintenance.

Load Sensing hydraulics with Proportional Pressure Priority Control (PPPC) deliver oil flow only when needed, translating to lower fuel consumption and cooler system temperatures. The PPPC strategy ensures the moldboard and steering receive prioritized flow during demanding cuts, preventing stalls and maintaining smooth operator control.

Caterpillar-standard tandem axles with a No-Spin differential provide automatic locking under slip conditions, dramatically increasing effective drawbar traction (99 kN). The standard 4.279 m moldboard increases grading pass width and productivity, while a maximum cutting depth of 715 mm allows deep reclamation passes when required.

• High drawbar traction for heavier cuts and fewer passes.
• Load Sensing hydraulics reduce fuel use and extend component life.
• No-Spin differential improves traction and reduces tire wear.
• ROPS cabin designed for operator comfort during long shifts.

• Converter-powershift transmission balances power delivery and ease of service.

Primary Applications and Target Users

The SEM 922F is engineered for contractors and fleet managers who need a dependable New Motor Grader capable of continuous heavy-duty work. Ideal deployments include:

1. Highway construction consortia building wide pavement and strong base layers.
2. Mining and quarry operations maintaining haul roads and loading areas.
3. Large-scale agricultural earthworks requiring consistent leveling over many hectares.
4. Airport runway construction and surface maintenance demanding tight tolerances.

Fleet Integration and Lifecycle Considerations

When adding the 922F to a fleet, consider logistics, parts availability, and training. The machine’s compatibility with SEM/Caterpillar axles and a mature SDEC engine platform simplifies parts sourcing. ZW Group supports pre-shipment inspections and can configure optional rear rippers or front dozer blades to broaden capability.

 FAQ

Q: How does the 922F compare to the 920F?
A: The 922F delivers higher rated power (162 kW vs 147 kW) and a wider standard blade, making it better for heavier roadbuilding and mining support.

Q: Is the SDEC engine reliable?
A: Yes. The SC9D220G2 is a mature platform with strong torque reserves; parts are widely available through authorized channels.

Q: Can the grader be equipped with a ripper?
A: Standard units focus on the mid-mount blade; rear rippers or front dozers can be supplied on request to increase jobsite flexibility.

Key Technical Specifications

The table below lists verified specifications for the machine. These figures reflect manufacturer data for the Brand New SEM 922F Motor Grader.