With WABCO’s Worldwide Modular compressor design (WWM), a new standard has been set for compressors in the commercial vehicle industry. The WWM concept is WABCO’s approach to a worldwide standardized compressor design, thus enhancing cost effectiveness and speed to market. This highly modular design has found appreciation with our global customers who are able to tune their compressors with different performance levels and features by application and/or by market. Combinations of existing and released parts out of global resources offer the possibility to be responsive to specific customer requirements.
Today’s design of WWM compressors is based upon a 85 mm piston diameter. WABCO`s answer to customers growing demand for compressed air is the High Output (HO) compressor using a 100 mm piston diameter which increases the free air delivery. This addition seamlessly closes the gap between the current 85 mm based single and twin cylinder compressors, as can be seen in the table below.
Single cylinder HO Compressor
Twin cylinder HO Compressor
Piston Ø 100 mm
Piston Ø 100 mm
Swept volume (in cm³)
Air delivery at 12.5 bar, 3000 min-1 (in l/min)
Swept volume (in cm³)
Air delivery at 12.5 bar, 3000 min-1 (in l/min)
330
575
660
1.150
393
680
786
1.370
440
765
880
1.530
Features
Design based on WABCO’s Worldwide Modular compressor concept which has reliability and durability in the market
New developed piston with 100 mm diameter
Swept volume can be easily and quickly adapted from 330 cc up to 440 cc for a single cylinder compressor, and 660 cc up to 880 cc for twin cylinder compressor.
Usable for both single stage and two stage compressors
Optional features;
Temperature Reduction system (TR)
Power Reduction system (PR)
Tang or Spline through-drive for pump operation
Turbo-charged inlet air instead of natural aspiration
Different bearing solutions
Benefits
Closing the gap between current single cylinder compressors and twin cylinder compressors
Brings twin cylinder compressor performance in a single cylinder design and can lead to weight and cost reduction and requires less space
Fuel savings due to minimized power consumption in off load operation (up to 0,7 liter per 100km)
Less oil degradation and up to 100°C lower air temperature enabling reduced discharge line length up to 60%
Can be quickly customized to specific engines and build-in situations (like engine interface, piping, through-drive)
Production capability available at all WABCO’s global production facilities
Application
Trucks
Buses
Agricultural and special vehicles
Market Availability: Africa, Asia, Europe, North America, South America
