BOCK FKX50/775K Bus AC Compressor
MultiStar Parts – Your Source for Bus Air Conditioner Parts
The BOCK FKX50/775 K is a 6-cylinder open-drive reciprocating compressor from the FK series, designed for air conditioning (K-design) in buses and rail vehicles . With a swept volume of 776 cm³, it features a W-cylinder arrangement and aluminum construction, providing substantial cooling capacity for large passenger transport vehicles .
CROSS-REFERENCE PART NUMBERS:
- FKX50/775K
Parameter
Specification
Model
FKX50/775 K
Cylinders
6 (W-cylinder arrangement)
Bore x Stroke
65 mm x 39 mm
Swept Volume
776 cm³
Weight (without clutch)
42–42.4 kg
Oil Charge
2.5 L (BOCKlub E55)
Speed Range (K-design)
500 – 2,600 rpm
Max. Pressure (LP/HP)
19 / 28 bar
Suction Connection
2 x 35 mm (2 x 1 3/8″)
Discharge Connection
35 mm (1 3/8″)
The FKX50/775 K is designed for air-conditioning (K-design) in large buses, coaches, and double-decker buses . The K-design features an optimized valve plate system for vehicle climate control applications, ensuring operational safety and efficiency .
CROSS-REFERENCE PART NUMBERS:
FKX50/775K
FKX50
1102265A
24,01,01,05816
88-62-01-00002-00
24010105808, H13003566, 1102265A, 1102265B,
13878, 88.77970-6055,8862010000200, AP20882A020,
FKX50/775K, FKX50775K, 4043011
4108301660, 24010105816, A 410 830 16 60,
A 410 830 09 60, 36.77972-6002, 36.77972 -6004 , 36.77970-6017
A4108301660
A4108300960
36779726002
36779726004
36779706017
24,01,01,058-16
8862010000200
H13-003-566
H13003566
AN33870A015
AUTOCLIMA 40430113
240101058-16
58300014800
Recommended Magnetic Clutches
Bock FK50 Compressor Clutch
Bock Compressor FK50 Clutch mainly used for — (Bock FKX50 660K, FKX50 775K, FKX50 830K, FKX50 980K)
→ 2A2B 280 220
→ 2A2B 280/230
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.







