High Pressure Plunger Pump · Frame size 15 PFR 1051 Alternate specification

Name: 1051 (Alternate specification)
Brand: CAT PUMPS
SKU: 1051

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a 316 stainless steel manifold, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

Alternate specification of the 1051 with a different operating point: 46.6 l/min, 124 bar, 1,180 min⁻¹. Standard version: 38.1 l/min, 155 bar, 960 min⁻¹. View standard version

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	46.6 l/min
Operating pressure	124 bar
Speed	1,180 min⁻¹
Inlet port	3/4" NPT(F)
Discharge port	1/2" NPT(F)
Shaft diameter	30 mm
Material	Stainless Steel

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.

9 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Parts list

Item	Part no.	Description	Qty
5	49651	Screw, HHC Sems (M8x20) [04/19]S	8
8	134805	Cover, Bearing [04/19]ALE	2
9	855043	Shim, Split 2-Piece, Bearing Cover 0 - 2FBR
10	11340	O-Ring, Bearing Cover - 70DNBR	2
11	43495	Seal, Oil, Crankshaft - 70DNBR	2
12	855044	Shim, Split 2-Piece, Bearing Cover 0 - 2S
15	39060	Bearing, RollerSTL	2
20	48600	Rod, Connecting Assembly [10/01]TNM	3
25	43494	Crankshaft, Dual-End (M30)FCM	1
32	43211	Cap, Oil FillerABS	1
33	14177	O-Ring, Oil Filler Cap - 70DNBR	1
37	92241	Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC	1
38	44428	Gasket, Flat, Oil Gauge - 80DNBR	1
40	92542	Screw, HHC Sems (M6 x 20)S	4
48	25625	Plug, Drain (1/4" x 19 BSP[M])STCP	1
49	23170	O-Ring, Drain Plug - 70DNBR	1
50	133576	Cover, Rear (See Tech Bulltin 118)ALE	1
51	44834	O-Ring, Rear Cover - 70DNBR	1
53	134848	Crankcase (Includes: 54, 55) [04/19]ALE	1
54	27488	Pin, GuideS	2
55	44005	Stud, Manifold (M10 x 45)S	4
56	44664	Pan, OilPOP	1
64	43507	Pin, CrossheadCM	3
65	45258	Rod, PlungerSSZZ	3
65	48892	Rod, Plunger, ShortSSBZ	3
69	126592	Washer, Oil SealSTCP	3
70	43500	Seal, Oil Crankcase - 80DNBR	3
75	43506	Slinger, BarrierS	3
88	45675	Washer, KeyholeS	3
89	45879	Collar, SpacerSS	3
90	43552	Plunger (M24 x 77)CC	3
95	89651	Stud, Plunger Retainer (M6 x 70)SS	3
96	43235	Backup Ring, Plunger RetainerPTFE	3
97	17399	O-Ring, Plunger Retainer - 80DNBR	3
98	44041	Gasket, Plunger Retainer (M12.5)SS	3
99	44031	Retainer, Plunger (M6)SS	3
100	855001	Retainer, Seal 2-Piece [07/05]POP	3
101	43554	Wick, Long Tab	3
106	44035	Seal, Low-Pressure with SS-SpringNBR	3
120	49286	Case, Seal [07/05]SSNP	3
121	14762	O-Ring, Seal Case - 70DNBR	3
126	48389	Adapter, FemaleD	3
127	103692	V-PackingSTG	6
128	45074	Adapter, MaleSS	3
139	44382	Plug, Inlet (3/4" NPT[M])SS	1
139	44562	Plug, Inlet (3/4" NPT[M])NAB	1
162	43248	Backup Ring, SeatPTFE	6
163	43249	O-Ring, Seat - 80DNBR	6
164	44037	SeatSS	6
166	48793	ValveSS	6
167	44039	Spring, ValveSS	6
168	44564	Retainer, SpringPVDF	6
171	44832	Spring, Coil (Not Shown)S	6
172	17617	O-Ring, Valve Plug - 90DNBR	6
174	44831	Plug, ValveNAB	6
174	49293	Plug, ValveSS	6
185	46706	Head, Manifold [8/18]NAB	1
185	134823	Head, Manifold [8/18]SS	1
192	15847	Lockwasher (M10)S	4
194	81258	Nut, Hex (M10)S	4
250	855047	Protector, Shaft with 2 Screws PN 125753POP	1
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	6139	Lubricant, Anti-Seize (8 oz) (Model 1531)	1
–	30059	Hub, "H" 30mm (M8 Keyway) (Not Shown)	1
–	30067	Key (M8x7.5x25)	1
–	30264	Mount, Direct	1
–	30613	Assembly, Rail (5.72" - See Dimensional Drawing)	1
–	30696	Reverse Pliers (Not Shown)	1
–	33006	Socket, Seal Case 1/2" Drive (Not Shown)	1
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	45073	Adapter, FemaleSS	3
–	49188	Head, Manifold, Flushed (1/8" Flushed Port) (1051C Only)SS	1
–	76513	Assembly, Rail (5.52" See Dimensional Drawing)	1
–	134824	Head, Manifold (1051D Only)SSD	1
–	815261	Head, Complete with NBR Seals and O-Rings Model 1057	1
–	816771	Head, Complete with NBR Seals and O-Rings Model 1051	1
–	818333	Head, Complete with NBR Seals and O-Rings Model 1051C	1
–	818442	Head, Complete with NBR Seals and O-Rings Model 1051D	1
–	828710	Protector, Oil Cap with Foam Gasket 1	1
–	990550	Assembly, Rail for Diesel/Gas (5.72" - See Dimensional Drawing)	1
–	991745	Cover, Oil, Flip Top (0.188") (Not Shown)	1
–	6132	Oil, Crankcase, Bottle 1l	2

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

33916

NBR (STD)Medium Nitrile (Buna-N)

contains 4 items · one kit per pump
Parts list
- 97 17399 O-Ring, Plungerhalter 3×
- 106 44035 Dichtung, Niederdruck m/SS-Feder 3×
- 121 14762 O-Ring, Dichtungsgehäuse 3×
- 127 103692 V-Packung 6×
Seal kit

30986

FPM (0.0110)Fluorocarbon

contains 4 items · one kit per pump
Parts list
- 97 14160 O-Ring, Plungerhalter 3×
- 106 44388 Dichtung, Niederdruck m/SS-Feder 3×
- 121 11737 O-Ring, Dichtungsgehäuse 3×
- 127 103692 V-Packung 6×
Seal kit

33913

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 4 items · one kit per pump
Parts list
- 97 46204 O-Ring, Plungerhalter 3×
- 106 46208 Dichtung, Niederdruck m/SS-Feder 3×
- 121 46205 O-Ring, Dichtungsgehäuse 3×
- 127 103692 V-Packung 6×
Seal kit

76913

IPFE (0.0770)I-Perfluoroelastomer

contains 4 items · one kit per pump
Parts list
- 97 701715 O-Ring, Plungerhalter 3×
- 106 703243 Dichtung, Niederdruck m/SS-Feder 3×
- 121 701851 O-Ring, Dichtungsgehäuse 3×
- 127 103692 V-Packung 6×
Seal kit

76062

STHT (0.3400)Special PTFE High Temp

contains 4 items · one kit per pump
Parts list
- 97 17399 O-Ring, Plungerhalter 3×
- 106 76035 Dichtung, Niederdruck m/SS-Feder 3×
- 121 14762 O-Ring, Dichtungsgehäuse 3×
- 127 103692 V-Packung 6×

Valve kits

Valve kit

34387

NBR (STD)Medium Nitrile (Buna-N)

contains 10 items · 2 kits per pump
Parts list
- 162 43248 Stützring, Ventilsitz 3×
- 163 43249 O-Ring, Ventilsitz 3×
- 164 44037 Ventilsitz 3×
- 164 43722 Ventilsitz (Modell 660) 3×
- 166 48793 Ventil 3×
- 166 43721 Ventil (Modell 660) 3×
- 167 44039 Feder, Ventil 3×
- 167 43751 Feder, Ventil (Modell 660) 3×
- 168 44564 Federhalter, Ventil 3×
- 172 17617 O-Ring, Ventilstopfen 3×
Valve kit

30987

FPM (0.0110)Fluorocarbon

contains 10 items · 2 kits per pump
Parts list
- 162 43248 Stützring, Ventilsitz 3×
- 163 44383 O-Ring, Ventilsitz 3×
- 164 44037 Ventilsitz 3×
- 164 43722 Ventilsitz (Modell 660) 3×
- 166 48793 Ventil 3×
- 166 43721 Ventil (Modell 660) 3×
- 167 44039 Feder, Ventil 3×
- 167 43751 Feder, Ventil (Modell 660) 3×
- 168 44564 Federhalter, Ventil 3×
- 172 11691 O-Ring, Ventilstopfen 3×
Valve kit

31258

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 10 items · 2 kits per pump
Parts list
- 162 43248 Stützring, Ventilsitz 3×
- 163 46206 O-Ring, Ventilsitz 3×
- 164 44037 Ventilsitz 3×
- 164 43722 Ventilsitz (Modell 660) 3×
- 166 48793 Ventil 3×
- 166 43721 Ventil (Modell 660) 3×
- 167 44039 Feder, Ventil 3×
- 167 43751 Feder, Ventil (Modell 660) 3×
- 168 44564 Federhalter, Ventil 3×
- 172 46207 O-Ring, Ventilstopfen 3×
Valve kit

76385

IPFE (0.0770)I-Perfluoroelastomer

contains 7 items · 2 kits per pump
Parts list
- 162 43248 Stützring, Ventilsitz 3×
- 163 701852 O-Ring, Ventilsitz 3×
- 164 44037 Ventilsitz 3×
- 166 48793 Ventil 3×
- 167 44039 Feder, Ventil 3×
- 168 44564 Federhalter, Ventil 3×
- 172 701853 O-Ring, Ventilstopfen 3×