Description Bucher 12 VDC electric-drive hydraulic pump. Power unit for 24-inch soil sampling system with 30-inch single-stage hydraulic cylinder. 12 VDC electric motor Single-stage pump, 2.6 gpm @ 250 psi, 1.24 gpm @ 2000 psi C1 port relief set at 2500 psi, C2 port relief set at 1400 psi 0.83 gallon steel reservoir Cycle time 10-12 seconds for 24-inch soil core
