Hollow Ram Jacks Single Acting

Hollow Ram Jack

Functions as a hydraulic puller with mechanical accessories—ideal for removing and assembling bearing bushes, pins, cylinder liners, heat exchanger tubes, gears, and flanges in heavy machinery.
Also used as bar/pre-stressing jacks in construction site applications.

Capacity (ton)	Capacity (kN)	Stroke (mm)	Model	Effective area (cm2)	Oil cap. (cc)	Closed height (mm)	Wt. (Approx.) (kg)
10	110	50	OSH 10-50	15.7	79	150	3.7
10	110	75	OSH 10-75	15.7	118	175	4.2
10	110	100	OSH 10-100	15.7	157	200	4.7
20	231	50	OSH 20-50	33	165	155	8
20	231	100	OSH 20-100	33	330	205	10.5
20	231	150	OSH 20-150	33	495	255	12.5
30	298	50	OSH 30-50	42.6	213	175	10.5
30	298	75	OSH 30-75	42.6	320	200	11.5
30	298	100	OSH 30-100	42.6	426	225	12.5
30	298	150	OSH 30-150	42.6	639	275	14.5
50	550	75	OSH 50-75	78.5	589	210	21
50	550	100	OSH 50-100	78.5	785	235	22
60	605	75	OSH 60-75	86.4	648	225	26
60	605	100	OSH 60-100	86.4	864	250	28.5
60	605	150	OSH 60-150	86.4	1296	300	33
100	990	75	OSH 100-75	141.4	1060	245	45
100	990	100	OSH 100-100	141.4	1414	270	48.5