BITZER 6PFCY Bus AC Compressor – 6-Cylinder 836cc Open Drive
MultiStar Parts – Your Source for Bus Air Conditioner Parts
The BITZER 6PFCY is a heavy-duty 6-cylinder open-drive reciprocating compressor designed for high-capacity bus air conditioning systems. As part of BITZER’s ROADSTAR series, it is optimized for the special requirements of mobile vehicle applications, overcoming the challenges of all climatic zones and demanding operating conditions . The 6PFCY is widely recognized as a premium OEM-grade compressor for large buses and coaches .
CROSS-REFERENCE PART NUMBERS:
- 6PFCY;
- 1666802836, 1697011578
Parameter
Specification
Model
6PFCY
Number of cylinders
6
Cylinder volume
836 cm³ (51.0 CIR)
Displacement (1450 rpm)
72.7 m³/h
Displacement (3000 rpm)
150.5 m³/h
Bore x Stroke
6 x 65 x 42mm
Speed range (allowed)
500 – 3500 rpm
Weight (without clutch)
40.5 – 41.5 kg
Oil charge
2.5 L
Suction line connection
2x 35 mm (2x 1 3/8″)
Discharge line connection
35 mm (1 3/8″)
Max. pressure (LP/HP)
19 / 28 bar
Magnetic clutch (option)
LINNIG LA16 or LA26
The BITZER 6PFCY is widely used in:
- Large city buses (over 12 meters)
- Intercity and coach buses
- High-capacity rooftop AC units
- Bus HVAC systems with cooling requirements up to 56 kW
Recommended Magnetic Clutch
| Parameter | Specification |
|---|---|
| Model | LINNIG LA16 or LA26 (option) |
| Voltage | 12V or 24V DC |
| Weight | 10 kg |
Multistar Parts Co., Ltd. – Your trusted partner for bus air conditioning compressors and complete HVAC spare parts. OEM-grade quality, competitive pricing, global shipping from China.