High Pressure Plunger Pump · Frame size 5CP 5CP5120

Name: 5CP5120
Brand: CAT PUMPS
SKU: 5CP5120

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

The 5CP5120 is also available in an alternate specification with a different operating point: 22.7 l/min, 172 bar, 1,750 min⁻¹. View alternate specification

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	19 l/min
Operating pressure	210 bar
Speed	1,415 min⁻¹
Inlet port	1/2" NPT(F)
Discharge port	3/8" NPT(F)
Shaft diameter	20 mm
Material	Brass

Downloads

CAD files

STEP – 5CP5120 (catpumps.com)

Spare parts

Click an item in the drawing or in the parts list to add it to your request list. We turn it into a quotation – no order is placed.

8 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Parts list

Item	Part no.	Description	Qty
5	126542	Screw, HHC, Sems (M8x16) 8-8-4STCP	8
8	46910	Cover, Bearing 2/1/2AL	2-1
10	14028	O-Ring, Bearing Cover - 70D 2-2-1NBR	2
11	43222	Seal, Oil, Crankshaft 2/1/2NBR	2-1
15	14480	Bearing, Ball 2-2-2STL	2
20	48742	Rod, Connecting Assembly [10/01]TNM	3
25	46928	Crankshaft, Dual End, M18 - 5CP3120FCM	1
30	49776	Cover, Bearing - 5CP3120CSS, 5CP3120CSSG1 [After 12/10]AL	1
32	46798	Cap, Oil Filler, Domed	1
33	14179	O-Ring, Oil Filler Cap - 70DNBR	1
37	92241	Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC	1-2
38	44428	Gasket, Flat, Oil Gauge - 80DNBR	1-2
40	125824	Screw, HHC Sems (M6x16) 8/4STCP	4
48	25625	Plug, Drain (1/4" x 19 BSP[M])STCP	1
49	23170	O-Ring, Drain Plug - 70DNBR	1
50	46940	Cover, RearAL	1
51	14044	O-Ring, Rear CoverNBR	1
53	48617	CrankcaseAL	1
64	46746	Pin, CrossheadCM	3
65	48458	Rod, PlungerBBNP	3
70	46838	Seal, Oil, Crankcase - 70DNBR	3
75	43328	Slinger, BarrierS	3
88	45697	Washer, Keyhole (M18 x 10)S	3
90	49655	Plunger (M18 x 50)CC	3
98	46730	Washer, Seal - 90DNBR	3
99	48201	Retainer, Plunger with Stud (M6)SS	3
100	46749	Retainer, SealPVDF	3
106	43243	Seal, Low-Pressure with S-SpringNBR	3
120	49657	Case, SealBB	3
121	13978	O-Ring, Seal Case - 70D (Models 4SP29ELR, ELU)NBR	3
127	44549	V-PackingSNG	6
128	45618	Adapter, MaleBB	3
139	22179	Plug, Inlet (1/2" NPT[M]) (Not Shown)BBCP	1
163	17547	O-Ring, Seat - 85DNBR	6
164	45790	SeatS	6
166	46429	ValveS	6
167	43750	Spring, ValveS	6
168	44565	Retainer, Spring, DischargePVDF	6
172	17549	O-Ring, Valve Plug - 70DNBR	6
173	48365	Backup Ring, Valve PlugD	6
174	45900	Plug, ValveBB	6
185	46895	Manifold, HeadFBB	1
188	126513	Screw, HSH (M8x70)STCP	8
196	22187	Plug, Discharge (3/8" NPT[M]) (Not Shown)BBCP	1
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	30057	Key (M6 x 6 x 25)	1
–	30243	Mount, Direct (Belt-Drive Only)	1
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	48233	Crankshaft, Single End, M18 - 5CP3120CSS, 5CP3120CSSG1FCM	1
–	118672	Protector, Shaft (Model 5CP5120)	1
–	126610	Mounting, Angle Rail (STZP R)	1
–	127409	Cap, Vented with O-Ring (Rain Cap)	1
–	814844	Head, Complete with NBR Seals and O-Rings	1
–	6132	Oil, Crankcase, Bottle 1l	1

in the request list covered by a requested kit

Seal and valve kits

A kit bundles the wearing parts of one assembly. Selecting it highlights the items it covers in the drawing and the parts list – once requested, they stay marked.

Seal kits

Seal kit

33630

NBR (STD)Medium Nitrile (Buna-N)

contains 4 items · one kit per pump
Parts list
- 98 46730 Scheibe, Plungerhalter 3×
- 106 43243 Dichtung, Niederdruck 3×
- 121 13978 O-Ring, Dichtungsgehäuse 3×
- 127 44549 V-Packung 6×
Seal kit

31350

FPM (0.0110)Fluorocarbon

contains 4 items · one kit per pump
Parts list
- 98 48394 Scheibe, Plungerhalter 3×
- 106 44926 Dichtung, Niederdruck 3×
- 121 14329 O-Ring, Dichtungsgehäuse 3×
- 127 45617 V-Packung 6×
Seal kit

76630

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 4 items · one kit per pump
Parts list
- 98 48432 Scheibe, Plungerhalter 3×
- 106 46651 Dichtung, Niederdruck 3×
- 121 48904 O-Ring, Dichtungsgehäuse 3×
- 127 48300 V-Packung 6×
Seal kit

76645

HT (0.3000)Hi-Temp (EPDM Alternative)

contains 4 items · one kit per pump
Parts list
- 98 46730 Scheibe, Plungerhalter 3×
- 106 43243 Dichtung, Niederdruck 3×
- 121 13978 O-Ring, Dichtungsgehäuse 3×
- 127 48300 V-Packung 6×
Seal kit

76960

STHT (0.3400)Special PTFE High Temp

contains 4 items · one kit per pump
Parts list
- 98 46730 Scheibe, Plungerhalter 3×
- 106 76243 Dichtung, Niederdruck 3×
- 121 13978 O-Ring, Dichtungsgehäuse 3×
- 127 48300 V-Packung 6×

Valve kits

Valve kit

33060

NBR (STD)Medium Nitrile (Buna-N)

contains 8 items · 2 kits per pump
Parts list
- 163 17547 O-Ring, Ventilsitz 3×
- 164 45790 Ventilsitz 3×
- 166 46429 Ventil 3×
- 167 43750 Feder, Ventil 3×
- 168 44565 Federhalter, Ventil 3×
- 172 17549 O-Ring, Ventilstopfen 3×
- 172 142807 O-Ring, Valve Plug 3×
- 173 48365 Stützring, Ventilstopfen 3×
Valve kit

31345

FPM (0.0110)Fluorocarbon

contains 7 items · 2 kits per pump
Parts list
- 163 11685 O-Ring, Ventilsitz 3×
- 164 45790 Ventilsitz 3×
- 166 46429 Ventil 3×
- 167 43750 Feder, Ventil 3×
- 168 44565 Federhalter, Ventil 3×
- 172 26996 O-Ring, Ventilstopfen 3×
- 173 48365 Stützring, Ventilstopfen 3×
Valve kit

31735

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 7 items · 2 kits per pump
Parts list
- 163 46648 O-Ring, Ventilsitz 3×
- 164 45790 Ventilsitz 3×
- 166 46429 Ventil 3×
- 167 43750 Feder, Ventil 3×
- 168 44565 Federhalter, Ventil 3×
- 172 49133 O-Ring, Ventilstopfen 3×
- 173 48365 Stützring, Ventilstopfen 3×