WD Catalog 2018

Compressor Models

1. Model Conversions

TYPE

R-12

R134a

5 Cylinder

SD-505

SD7B10 / SD5H09

SD-507

SD5H11

SD-508

SD5H14

SD-510

SD7H15HD and SD5H14HD

7 Cylinder

SDB-706

SD7B10

SD-708

SD7H13

SD-709

SD7H15

SDB-709

SD7B15

COMPRESSOR NOMENCLATURE

2. Identification

R-12 Compressors

SD

--

7

09

½

½

½

Sanden reciprocating wobble plate compressors

Number of Cylinders

Approximate displacement, in cubic inches

SD

7

H

15

HD

½

½

½

½

½

Sanden reciprocating wobble plate compressors

Number of cylinders

Port location

Approximate displacement, in cubic centimeters (divided by 10)

Heavy Duty (HD) or Sealed Heavy-duty (SHD) clutch

( H if on head, B if on body )