OE NO. : Bitzer 4NFCY
Cylinder / Bore/Stroke : 4/70mm/42mm
Cylinder volume : 647 cm3
Displacement(1450/3000 rpm) : 56.20/116.40 m3/h
Weight : 33kgs

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Bitzer 4NFCY Compressor is Necessary for Bus HVAC Solutions 

Well-known Bitzer compressor is the core parts of bus air conditioning units, thanks to high efficiency, good quality and good cooling performance in bus HVAC industry, Bitzer 4NFCY Compressor is mainly suitable for KingClima Bus air conditioning which mounted on the rooftop or rear of 8.5 meters - 12meters bus and double-decker bus.

Features of Bitzer 4NFCY Compressor 

Bitzer 4NFCY Compressor for various Bus Air Conditioner 
1. Original Bitzer brand compressor 
2. Ensuring maximum cooling capacity for bus air conditioning with1450rpm
3. Match various types of clutch

4. Long service life thanks to high reliability and durable in BITZER quality
5. High efficiency and high smooth running dut to dynamical mass compensation
6. Minimal oil emissions owing to the internal oil separator.

Application of Bitzer 4NFCY compressor 

Bitzer 4NFCY compressor is used  for bus air conditioning, to refrigerate or cool the driver cab or bus passenger compartment, make sure traveller have a confortable climate by bus. Bitzer 4NFCY compressor is the heart of  bus cooling system, hence how to choose a suitable bus HVAC compressor is most important for your bus manufacturer or mini bus factory.

Technical Data



Cylinder volume

647 cm³

39.4 CIR

Displacement (1450rpm)

56,2 m³/h

1986 CFH

Displacement (3000rpm)

116,4 m³/h

4110 CFH

No. of cylinder x bore x stroke

4 x 70 x 42mm

4 x 2.76 inch x 1.65 inch

Allowed speed range

500 .. 3500 1/min

500 .. 3500 1/min

Weight (without clutch)

36,0 kg

73.0 lb

Magnetic clutch 12V or 24V DC

LA16 (Option)

LA16 (Option)

Weight magnetic clutch

10 kg

22 lb


2 x SPB

2 x SPB

Maximum pressure (LP/HP)

19 / 28 bar

275 / 403 psi

Connection suction line

35 mm - 1 3/8'

35 mm - 1 3/8'

Connection discharge line

35 mm - 1 3/8'

35 mm - 1 3/8'

Oil type R134a

BSE 55 (Option)

BSE 55 (Option)

Oil type R22

B5.2 (Standard)

B5.2 (Standard)

Oil charge

2,5 dm³

88 fl. Oz

Crankcase heater

70 W 12or 24V DC (Option)

70 W 12or 24V DC (Option)

Pressure relief valve



Oil drier



Capacity control

100-50% (Option)

100-50% (Option)

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