Hydraulic Power, 55, 56 & 57 Series

Standard Features:

Adjustable working pressure
3 phase, electric motor available in 6 voltages (50 or 60 Hz)
Adjustable pressure compensated, variable volume, piston pump
70 gal (265 l) stainless steel reservoir with desiccant air filtration canister
Large oil cooler with 3 phase electric fan (38,000 btu/hr cooling capacity)
High efficiency, non-bypassing pressure filter with 2-micron absolute, Microglass III element (Beta rating > 200 based on ISO 4572)
Large capacity return filter with 5 micron absolute, Microglass III element (Beta rating > 300 based on ISO 4572)
Easy access fluid sampling valve (meets ANSI T2.24.1-1991)
2-48 gpm (8-180 lpm) dual scale flow meter
Dual scale pressure gauge
Standard 25 ft (7.62 m) pressure and return hoses
Standard 50 ft (15.24 m) input power cord without input plug
High Fluid temperature (>160° F) shut off switch with LED indicator light
30-240° F (0-115° C) dual scale pyrometer
Hourmeter
Finish: Durable Powder Coat Tronair Blue
Length: 82 in (208 cm)
89 in (226 cm) with option N - Towing Trailer Package
Width: 63.75 in (162 cm)
70.75 in (180 cm) with option C - Dual System
Height: 62 in (158 cm)
70.5 in (180 cm) with option N - Towing Trailer Package

HPU Quick Select Chart
HPU Optional Features
HPU Ordering Instructions

Model Number	Fluid	Pressure psi (bar)	Pressure Gauge Max psi (bar)	Motor hp (kW)	Pump Flow (50 Hz) gpm (lpm)	Pump Flow (60 Hz) gpm (lpm)	Pressure Hose size	Return Hose size	Weight lb (kg)
5510	MIL-H-5606	250-5000 (17.2-345)	7500 (515)	75 (56)	20 (78)	25 (94.6)	12 (3/4")	20 (1 1/4")	3500 (1588)
5511	MIL-H-5606	250-5000 (17.2-345)	7500 (515)	75 (56)	20 (78)	25 (94.6)	12 (3/4")	20 (1 1/4")	3500 (1588)
5520	MIL-PRF-83282	250-5000 (17.2-345)	7500 (515)	75 (56)	20 (78)	25 (94.6)	12 (3/4")	20 (1 1/4")	3500 (1588)
5521	MIL-PRF-83282	250-5000 (17.2-345)	7500 (515)	75 (56)	20 (78)	25 (94.6)	12 (3/4")	20 (1 1/4")	3500 (1588)
5530	Skydrol or Hyjet	250-5000 (17.2-345)	7500 (515)	75 (56)	20 (78)	25 (94.6)	12 (3/4")	20 (1 1/4")	3500 (1588)
5531	Skydrol or Hyjet	250-5000 (17.2-345)	7500 (515)	75 (56)	20 (78)	25 (94.6)	12 (3/4")	20 (1 1/4")	3500 (1588)
5540	MIL-PRF-87257	250-5000 (17.2-345)	7500 (515)	75 (56)	20 (78)	25 (94.6)	12 (3/4")	20 (1 1/4")	3500 (1588)
5610	MIL-H-5606	250-3500 (17.2-241)	6000 (410)	40 (30)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3150 (1430)
5611	MIL-H-5606	250-3500 (17.2-241)	6000 (410)	40 (30)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3150 (1430)
5620	MIL-PRF-83282	250-3500 (17.2-241)	6000 (410)	40 (30)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3150 (1430)
5621	MIL-PRF-83282	250-3500 (17.2-241)	6000 (410)	40 (30)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3150 (1430)
5630	Skydrol or Hyjet	250-3500 (17.2-241)	6000 (410)	40 (30)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3150 (1430)
5631	Skydrol or Hyjet	250-3500 (17.2-241)	6000 (410)	40 (30)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3150 (1430)
5640	MIL-PRF-87257	250-3500 (17.2-241)	6000 (410)	40 (30)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3150 (1430)
5710	MIL-H-5606	250-3500 (17.2-241)	6000 (410)	75 (56)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3500 (1588)
5711	MIL-H-5606	250-3500 (17.2-241)	6000 (410)	75 (56)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3500 (1588)
5720	MIL-PRF-83282	250-3500 (17.2-241)	6000 (410)	75 (56)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3500 (1588)
5721	MIL-PRF-83282	250-3500 (17.2-241)	6000 (410)	75 (56)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3500 (1588)
5730	Skydrol or Hyjet	250-3500 (17.2-241)	6000 (410)	75 (56)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3500 (1588)
5731	Skydrol or Hyjet	250-3500 (17.2-241)	6000 (410)	75 (56)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3500 (1588)
5740	MIL-PRF-87257	250-3500 (17.2-241)	6000 (410)	75 (56)	28 (107)	34 (129)	16 (1")	24 (1 1/2")	3500 (1588)