BOSS CP-Series Low Profile Hydraulic Cylinder – 5 to 150 Ton, 700 Bar

Name: BOSS Low Profile Hydraulic Cylinder 5 to 150 Ton
Brand: BOSS
SKU: BOSS-CP-SERIES
Price: 438.2 AUD
Availability: InStock

Store/Cylinders and Rams for Hydraulics/10,000 PSI Jacking Cylinders

SKU CP50

AU$438.20

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BOSS CP-Series Low Profile Hydraulic Cylinder – 5 to 150 Ton, 700 Bar

Store/Cylinders and Rams for Hydraulics/10,000 PSI Jacking Cylinders

Product Details

Brand: BOSS

Weight: 0.70 kg

BOSS CP-Series Low Profile Hydraulic Cylinder – 5 to 150 Ton, 700 Bar

When there is no room, this is the cylinder. A 5 ton CP50 is 33 mm tall collapsed and fits under things you would not think you could get a jack under at all, and the range runs all the way to 150 ton in 100 mm of height. The trade off is stroke – 6 to 17 mm, enough to break a joint, take up load or start a lift, then pack and go again. Made in Taiwan with a 30 year manufacturer warranty.

Ways to buy this cylinder:

Eight capacities off the shelf from 5 to 150 ton, every one under 100 mm collapsed.
Need more stroke in a short body? The CM mid profile range gives 38 to 63 mm in 89 to 141 mm of height.
The CPL locknut pancake mechanically locks the load at height, 60 and 100 ton.
The CPT telescopic gives you two stages of stroke out of a low profile body, 10 and 20 ton.
For proper lifting stroke, the C-Series solid cylinders run 25 to 365 mm.

Pick your capacity

Model	Capacity	Stroke	Retracted height	Extended height	Outside dia	Oil capacity	Weight
CP50	5 Ton	6 mm	33 mm	39 mm	58.5 / 44 mm	4.5 cm³	0.7 kg
CP100	10 Ton	12 mm	42 mm	54 mm	82.5 / 60 mm	18 cm³	1.6 kg
CP200	20 Ton	12 mm	51 mm	63 mm	100 / 78 mm	34 cm³	2.6 kg
CP300	30 Ton	13 mm	58 mm	71 mm	117.5 / 95 mm	54 cm³	4.5 kg
CP500	50 Ton	16 mm	66 mm	82 mm	145 / 115 mm	113 cm³	6.8 kg
CP750	75 Ton	16 mm	79 mm	95 mm	170 / 145 mm	180 cm³	11.3 kg
CP1000	100 Ton	16 mm	85 mm	101 mm	185 / 160 mm	229 cm³	14.5 kg
CP1500	150 Ton	17 mm	100 mm	117 mm	225 / 195 mm	363 cm³	26.3 kg

Drawings and dimensions

Factory drawings for the low profile range. C1 and C2 are the body and plunger diameters, and A is the collapsed height that decides whether the cylinder fits at all.

BOSS CP-Series low profile cylinder dimensions — click to open full size

CP-Series mounting and saddle detail — click to open full size

Full dimension table

Every letter below matches the drawing above. All dimensions in millimetres unless shown otherwise.

Model	Cap Ton	Stroke (mm)	Oil Cap (cm3)	Effective Area (cm2)	A Retracted (mm)	B Extended (mm)	C Outside Dia C1 / C2 (mm)	D Bore Dia (mm)	E (mm)	F (mm)	G (mm)	H (mm)	J (mm)	L (mm)	M (UN)	N (mm)	Weight (kg)
CP50	5	6	4.5	7.55	33	39	58.5 / 44	31	28.5	25.4	9.5	16	22	1	5.3	22	0.7
CP100	10	12	18	15.21	42	54	82.5 / 60	44	36.5	38	11	19	30	1	7.5	34	1.6
CP200	20	12	34	28.28	51	63	100 / 78	—	49.3	50.8	—	19	39	1	10	39	2.6
CP300	30	13	54	41.86	58	71	117.5 / 95	73	52.3	63.5	16	19	47.5	2	10	47.5	4.5
CP500	50	16	113	70.89	66	82	145 / 115	95	66.5	70	19	19	57.5	2	11	58	6.8
CP750	75	16	180	113.11	79	95	170 / 145	120	76.2	82.5	20.5	19	72.5	2	13.5	70	11.3
CP1000	100	16	229	143.16	85	101	185 / 160	135	76.2	92	20.5	19	80	2	13.5	78	14.5
CP1500	150	17	363	213.85	100	117	225 / 195	165	117	115	20.5	23	97.5	2	13.5	85	26.3

What is in the box

One BOSS CP-Series low profile cylinder with spring return
3/8" NPT female oil port with dust cap fitted
Operating and safety manual (download below)
Pump, hose and coupler are sold separately

Specifications

Parameter	Value
Brand	BOSS Hydraulics
Country of origin	Made in Taiwan
Warranty	30 year manufacturer warranty
Type	Single acting low profile, spring return
Capacity range	5 to 150 Ton
Maximum working pressure	700 bar / 10,000 psi
Stroke range	6 mm to 17 mm
Collapsed height range	33 mm to 100 mm
Effective area	7.55 cm² at 5 Ton up to 213.85 cm² at 150 Ton
Oil port	3/8" NPT female
Piston rod	Hard chrome plated
Cylinder bore	Roller burnished for extended life
Internal finish	Nitrided for rust protection
Weight range	0.7 kg to 26.3 kg

How to choose

Measure your clearance first. That single number tells you which of these you can physically use.
Then size the capacity on the real load with about 20% spare.
Accept that the stroke is short. The job is usually break it loose, pack it, do it again – not lift it in one go.
The two outside diameters quoted are the body and the plunger, so you can check what your bearing surface needs to be.
Do not use a low profile cylinder as a long term support. Pack the load and take the weight off it.

Technicians Advice

Low profile cylinders are the ones people damage by asking for stroke they do not have. There is 6 to 17 mm in these and no more; running the plunger into the internal stop while you keep pumping is how the top gets pushed out of one. Count your stroke and stop. The other habit worth having is packing as you go: get your 12 mm, slide steel or hardwood packers in, let the load down onto the pack, retract and start again with a taller base.

It feels slow and it is far quicker than dealing with what happens when a pancake jack squirts out sideways. Because the body is wide and short, these are much more sensitive to an uneven seat than a tall cylinder – any rock in the base and the load walks off the plunger. Clean the seat, use the full face, and keep your fingers out from under. On the 100 and 150 ton models check what is underneath as well; a CP1500 puts 150 tonnes through a 225 mm circle and concrete does not always agree to that.

Official Datasheets

📄 BOSS CP-Series Low Profile Specifications (PDF)📄 Cylinder Operating Manual (PDF)

Complete your setup

Mid Profile 10 to 100 Ton Telescopic 10 and 20 Ton Locknut Pancake 60 and 100 Ton C-Series Solid 5 to 100 Ton

Need help choosing? Call 1300 146 737 or email sales@mhfgc.com.au – real technicians, real answers.