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35 Frame plunger pump

3521DHS

  • 94.6Flow, l/min
  • 138Pressure, bar
  • 870Speed, rpm
  • 25.54Power, kW
Cat Pumps 35 Frame pump

Specification

Flow
94.6 l/min
Pressure
138 bar
Speed
870 rpm
Absorbed power
25.54 kW
Plunger
32 mm
Shaft
Solid, Ø35 mm
Weight
63 kg

Data sheet (PDF, Cat Pumps)

Kits

Valves4

Part numberDescriptionPer pumpSuppliers
31952Valve kit, EPDM (.0220)2 
31955Valve kit, FPM (.0110)2 
34017Valve kit, NBR (STD)2 
76617Valve kit, FFKM (.0770)2 

Seal kits5

Part numberDescriptionPer pumpSuppliers
32273Crankcase Oil Seal Removal and Installation Kit1 
76841Seal kit, NBR (STD)1 
76842Seal kit, FPM (.0110)1 
76843Seal kit, EPDM (.0220)1 
76844Seal kit, FFKM (.0770)1 

Exploded view

Cat Pumps exploded view of the 35 Frame pump, with position numbers
Cat Pumps' drawing. The numbers match the positions in the parts list below. Open the picture to zoom in.

Parts list

Positions are the balloon numbers on Cat Pumps' exploded view.

PosPart numberDescriptionQty
5 96049 Screw, HHC Sems (M10 x 25)8
8 134604 Cover, Bearing2
9 815279 Shim, Split, 2-Piece2
10 12398 O-Ring, Bearing Cover-70D2
11 13296 Seal, Oil, Crankshaft2
12 855049 Shim, Split, 2-Piece0
15 29326 Bearing, Roller2
20 126725 Rod, Connecting Assembly (Includes: 21, 22, 23)3
21 126749 Washer, Locking3
22 126593 Washer, Flat (M10.5)6
23 122045 Screw, HH (M10 x 55)6
25 29325 Crankshaft, Dual End (M48)1
31 828710 Protector, Oil Cap with Foam Gasket1
32 43211 Cap, Oil Filler1
33 14177 O-Ring, Oil Filler Cap-70D1
34 126743 Bolt, Eye (M12 x 1.75) (For Lifting Pump Only)1
37 92241 Gauge, Oil, Bubble with Gasket-80D1
38 44428 Gasket, Flat Oil Gauge-80D1
40 125753 Screw, HHC Sems (M8 x 25)8
48 25625 Plug, Drain (1/4" x 19 BSP)1
49 23170 O-Ring, Drain Plug-70D1
50 45936 Cover, Rear1
51 16612 O-Ring, Cover-70D1
53 134784 Crankcase Assembly (Includes 54)1
54 27488 Pins, Guide2
56 27790 Pan, Oil1
59 92538 Screw, HHC Sems (M6 x 16)2
64 43864 Pin, Crosshead3
65 49166 Rod, Plunger3
69 126587 Washer, Oil Seal3
70 100488 Seal, Oil, Crankcase3
75 43865 Slinger, Barrier3
88 45676 Washer, Keyhole (M16)3
90 43957 Plunger (M32 x 145)3
95 89778 Stud, Plunger Retainer (M10 x 135)3
96 20189 Backup Ring, Plunger Retainer3
97 11345 O-Ring, Plunger Retainer-70D3
98 44085 Gasket, Retainer3
99 44084 Retainer, Plunger (M10)3
100 814279 Retainer, Seal3
101 44106 Wick, Long Tab3
104 43875 O-Ring, Inlet Adapter-70D3
105 45562 Adapter, Inlet3
106 44098 Seal, Low-Pressure, with SS-Spring3
107 44101 Washer3
110 45365 Manifold, Inlet1
110 45124 Manifold, Inlet1
110 125397 Manifold, Inlet, Flushed1
112 11379 O-Ring, Inlet Manifold-70D3
117 44585 Screw, HSH (M14 x 40)4
122 49782 Spacer3
123 12391 O-Ring, V-Packing Cylinder-70D3
124 49783 Cylinder, V-Packing3
126 48390 Adapter, Female3
127 44608 V-Packing6
128 45565 Adapter, Male3
141 49743 Spring, Coil3
158 48362 Backup Ring, V-Packing Cylinder3
159 48860 O-Ring, V-Packing Cylinder-90D3
162 48363 Backup Ring, Valve Seat6
163 26142 O-Ring, Seat-80D6
164 44612 Seat, Stepped6
166 44108 Valve6
167 44109 Spring6
168 44728 Retainer, Spring6
170 44729 Washer, Spring Retainer6
171 44644 Coil Spring (70 kg), Valve Plug6
172 89827 O-Ring, Valve Plug-90D6
173 48364 Backup Ring, Valve Plug6
174 49300 Plug, Valve6
174 44643 Plug, Valve6
185 49299 Manifold, Discharge1
185 49249 Manifold, Discharge1
188 89981 Screw, HSH (M12 x 70)8
250 855042 Protector, Shaft with Two (2) Screws, Lockwashers and Washers1

Motor

This pump needs 25.54 kW at 870 rpm, more than the largest motor of that speed listed here.

Flange

The flange depends on the motor, so it is chosen with the motor.

Coupling

The coupling depends on the motor shaft, so it is chosen with the motor.

Other Cat Pumps 35 Frame pumps

35013507HS3511DHS3517HS35203527HS3531CHS3531DHS35353535HS3537HS3541DHS35453545HS3547HS355035603560RST1435703570S