High Pressure Plunger Pump · Frame size 15 PFR 1740

Name: 1740
Brand: CAT PUMPS
SKU: 1740

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

This pump also features a durable blue two mil epoxy paint treatment on the crankcase, rear cover and bearing covers and a unique liquid gasket between the crankcase and manifold to seal moisture out.

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	56.5 l/min
Operating pressure	70 bar
Speed	1,100 min⁻¹
Inlet port	1" NPT
Discharge port	3/4" NPT
Shaft diameter	30 mm
Material	Brass

Downloads

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.

4 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	815281	Shim, Split 2-Piece 0 - 2FBR	0-2
9	855043	Shim, Split 2-Piece, Bearing Cover 0 - 2FBR	0-2
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	0-2
15	39060	Bearing, RollerSTL	2
20	48600	Rod, Connecting Assembly [10/01]TNM	3
25	670009	Crankshaft, Dual End (M25)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	134858	Crankcase, Assembly (Includes: 54)ALE	1
54	27488	Pin, GuideS	2
64	43507	Pin, CrossheadCM	3
65	48933	Rod, Plunger (Center)SHS	1
65	49611	Rod, Plunger (Center)SS	1
66	48931	Rod, Plunger (Outside)SHS	2
66	49609	Rod, Plunger (Outside)SS	2
69	126596	Washer, Oil SealSTCP	3
70	43500	Seal, Oil Crankcase - 80DNBR	3
88	48937	Washer, FlatS	3
90	48938	Plunger, Ceramic (M30 x 65)CC	3
98	46730	Washer, Seal - 90DNBR	3
99	48201	Retainer, Plunger with Stud (M6)SS	3
100	48936	Retainer, SealPVDF	3
106	49067	Seal, Low-Pressure with S-SpringNBR	3
110	48940	Manifold, InletFBB	1
110	49614	Manifold, InletSS	1
112	123903	O-Ring, Inlet Manifold - 90DNBR	3
117	49044	Screw, HSH (M10 x 25)S	4
125	48944	Seal, High-Pressure with Stainless SteelSNG	3
155	123903	O-Ring, Inlet Manifold - 90DNBR	6
157	48946	Spacer, High-Pressure SealBB	3
157	49621	Spacer, High-Pressure SealSS	3
163	26143	O-Ring, Seat - 80DNBR	6
164	48951	SeatS	6
164	49626	SeatSS	6
166	48686	ValveSS	6
167	48687	Spring, ValveSS	6
168	48994	Retainer, SpringPVDF	6
170	49627	Washer, Spring RetainerSS	6
170	123764	Washer, Spring RetainerS	6
172	17629	O-Ring, Valve Plug - 80DNBR	3
174	48952	Plug, ValveFBB	3
174	49628	Plug, ValveSSZZ	3
185	48948	Manifold, DischargeFBB	1
185	49623	Manifold, DischargeSS	1
188	87952	Screw, HSH (M10 x 55)S	10
250	855046	Protector, Shaft with 2 Screws PN 126544NY	1
–	6119	Lubricant, Anti-Seize (2 oz) (2531, 2531C)	1
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	30264	Mount, Direct	1
–	30716	Key (8 x 7 x 43)	1
–	31430	Kit, Seal (Models 1541, 1541C)	1
–	31450	Kit, Valve (Models 1541, 1541C)	2
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	49616	Seal, Low-Pressure with SS-SpringNBR	3
–	49619	Seal, HPS, Assembly 2-Piece with SS-SupportSTG	3
–	49853	Manifold, Inlet Flushed (1/8" NPT[F] Port)FBB	1
–	126609	Assembly, Rail	1
–	134147	Manifold, Inlet Flushed (1/8" NPT[F] Port)SS	1
–	701931	Sealant, Silicone (3 oz) (2530E)	1
–	816863	Head, Complete with NBR Seals and O-Rings (Model 1540E)	1
–	818443	Head, Complete with NBR Seals and O-Rings (Model 1541)	1
–	828710	Protector, Oil Cap with Foam Gasket 1	1
–	855047	Protector, Shaft with 2 Screws PN 125753NY	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

31770

NBR (STD)Medium Nitrile (Buna-N)

contains 5 items · one kit per pump
Parts list
- 98 46730 Scheibe, Plungerhalter 3×
- 106 49067 Dichtung, Niederdruck m/S-Feder (Modelle 1540E, 1540EC) 3×
- 112 123903 O-Ring, Saugstutzen 3×
- 125 48944 Dichtung, Hochdruck (Modelle 1540E, 1540EC) 3×
- 155 123903 O-Ring, Distanzstück 6×
Seal kit

76430

FPM (0.0110)Fluorocarbon

contains 3 items · one kit per pump
Parts list
- 98 48394 Scheibe, Plungerhalter 3×
- 112 76903 O-Ring, Saugstutzen 3×
- 155 76903 O-Ring, Distanzstück 6×

Valve kits

Valve kit

31775

NBR (STD)Medium Nitrile (Buna-N)

contains 8 items · 2 kits per pump
Parts list
- 163 26143 O-Ring, Ventilsitz 3×
- 164 48951 Ventilsitz (Modelle 1540E, 1540EC) 3×
- 166 670108 Ventil 3×
- 166 48686 Ventil 3×
- 167 48687 Feder, Ventil 3×
- 168 48994 Federhalter, Ventil 3×
- 170 123764 Scheibe, Federhalter (Modelle 1540E, 1540EC) 3×
- 172 17629 O-Ring, Ventilstopfen 3×
Valve kit

76775

FPM (0.0110)Fluorocarbon

contains 8 items · 2 kits per pump
Parts list
- 163 14331 O-Ring, Ventilsitz 3×
- 164 48951 Ventilsitz (Modelle 1540E, 1540EC) 3×
- 166 670108 Ventil 3×
- 166 48686 Ventil 3×
- 167 48687 Feder, Ventil 3×
- 168 48994 Federhalter, Ventil 3×
- 170 123764 Scheibe, Federhalter (Modelle 1540E, 1540EC) 3×
- 172 14183 O-Ring, Ventilstopfen 3×