High Pressure Plunger Pump · Frame size 5CP 5CP6120CS

Name: 5CP6120CS
Brand: CAT PUMPS
SKU: 5CP6120CS

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

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	28 l/min
Operating pressure	103 bar
Speed	1,725 min⁻¹
Inlet port	1/2" NPT(F)
Discharge port	3/8" NPT(F)
Shaft diameter	20 mm
Material	Brass

Downloads

CAD files

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	46910	Cover, Bearing 2/1/2AL
10	14028	O-Ring, Bearing Cover - 70D 2-2-1NBR
11	43222	Seal, Oil, Crankshaft 2/1/2NBR
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	48224	Cover, Bearing, Blind - 5CP6120CSAL	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
38	44428	Gasket, Flat, Oil Gauge - 80DNBR
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	46841	Plunger (M20x50)CC	3
98	46730	Washer, Seal - 90DNBR	3
100	46749	Retainer, SealPVDF	3
106	43305	Seal, Low-Pressure with S-SpringNBR	3
120	46843	Case, SealBB	3
121	13978	O-Ring, Seal Case - 70D (Models 4SP29ELR, ELU)NBR	3
125	43307	Seal, High-Pressure with S-SupportSNG	3
162	43248	Backup Ring, SeatPTFE	6
163	43249	O-Ring, Seat - 80DNBR	6
164	43722	SeatS	6
166	43721	ValveS	6
167	43751	Spring, ValveS	6
168	44564	Retainer, SpringPVDF	6
172	17617	O-Ring, Valve Plug - 90DNBR	6
174	125214	Plug, ValveBBCP	6
185	49761	Manifold, HeadBBCP	1
188	126513	Screw, HSH (M8x70)STCP	8
500	8076	Gearbox 1" (See Individual Data Sheet) (Model 5CP5135CSSG1)	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
–	30611	Assembly, Rail (4.22" See Dimensional Drawing)	1
–	30637	Mount, Rail Assembly (Retro Fit - See Tech Bulletin 078)	1
–	30696	Reverse Pliers (Not Shown)	1
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	48233	Crankshaft, Single End, M18 - 5CP3120CSS, 5CP3120CSSG1FCM	1
–	49776	Cover, Bearing - 5CP3120CSS, 5CP3120CSSG1 [After 12/10]AL	1
–	118672	Protector, Shaft (Model 5CP5120)	1
–	127409	Cap, Vented with O-Ring (Rain Cap)	1
–	816666	Head, Complete with NBR Seals & 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

33628

NBR (STD)Medium Nitrile (Buna-N)

contains 4 items · one kit per pump
Parts list
- 98 46730 Scheibe, Plungerhalter 3×
- 106 43305 Dichtung, Niederdruck m/S-Feder 3×
- 121 13978 O-Ring, Dichtungsgehäuse 3×
- 125 43307 Dichtung, Hochdruck m/S 3×
Seal kit

31628

FPM (0.0110)Fluorocarbon

contains 4 items · one kit per pump
Parts list
- 98 48394 Scheibe, Plungerhalter 3×
- 106 45153 Dichtung, Niederdruck 3×
- 121 14329 O-Ring, Dichtungsgehäuse 3×
- 125 44936 Dichtung, Hochdruck 3×
Seal kit

31648

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 4 items · one kit per pump
Parts list
- 98 48432 Scheibe, Plungerhalter 3×
- 106 48429 Dichtung, Niederdruck 3×
- 121 48904 O-Ring, Dichtungsgehäuse 3×
- 125 46667 Dichtung, Hochdruck 3×
Seal kit

31638

HT (0.3000)Hi-Temp (EPDM Alternative)

contains 4 items · one kit per pump
Parts list
- 98 46730 Scheibe, Plungerhalter 3×
- 106 43305 Dichtung, Niederdruck m/S-Feder 3×
- 121 13978 O-Ring, Dichtungsgehäuse 3×
- 125 46667 Dichtung, Hochdruck 3×
Seal kit

76536

STHT (0.3400)Special PTFE High Temp

contains 5 items · one kit per pump
Parts list
- 98 46730 Scheibe, Plungerhalter 3×
- 106 76305 Dichtung, Niederdruck m/S-Feder 3×
- 120 49436 Dichtungsgehäuse 3×
- 121 13978 O-Ring, Dichtungsgehäuse 3×
- 125 46667 Dichtung, Hochdruck 3×

Valve kits

Valve kit

30820

NBR (STD)Medium Nitrile (Buna-N)

contains 7 items · 2 kits per pump
Parts list
- 162 43248 Stützring, Ventilsitz 3×
- 163 43249 O-Ring, Ventilsitz 3×
- 164 43722 Ventilsitz 3×
- 166 43721 Ventil 3×
- 167 43751 Feder, Ventil 3×
- 168 44564 Federhalter, Ventil 3×
- 172 17617 O-Ring, Ventilstopfen 3×
Valve kit

31263

FPM (0.0110)Fluorocarbon

contains 7 items · 2 kits per pump
Parts list
- 162 43248 Stützring, Ventilsitz 3×
- 163 44383 O-Ring, Ventilsitz 3×
- 164 43722 Ventilsitz 3×
- 166 43721 Ventil 3×
- 167 43751 Feder, Ventil 3×
- 168 44564 Federhalter, Ventil 3×
- 172 11691 O-Ring, Ventilstopfen 3×
Valve kit

31259

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 7 items · 2 kits per pump
Parts list
- 162 43248 Stützring, Ventilsitz 3×
- 163 46206 O-Ring, Ventilsitz 3×
- 164 43722 Ventilsitz 3×
- 166 43721 Ventil 3×
- 167 43751 Feder, Ventil 3×
- 168 44564 Federhalter, Ventil 3×
- 172 46207 O-Ring, Ventilstopfen 3×