Constructed of an aluminum center section and cast iron end plates, model 2AHPG is a high pressure hydraulic gear pump with 10 displacement sixes from 0.24-1.95 in^3/rev (4-32 cm^3/rev). The standard mounting flange is a SAE A- 2 Bolt. The standard drive shaft is a 5/8” straight shaft with a 5/32” key.