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Mains Units

38 Frame block-style plunger pump

3811HS

  • 53Flow, l/min
  • 207Pressure, bar
  • 800Speed, rpm
  • 21.45Power, kW
Cat Pumps 38 Frame block-style pump

Specification

Flow
53 l/min
Pressure
207 bar
Speed
800 rpm
Absorbed power
21.45 kW
Plunger
20 mm
Shaft
Solid, Ø35 mm
Weight
77 kg

Data sheet (PDF, Cat Pumps)

Kits

Seal kits5

Part numberDescriptionPer pumpSuppliers
32273Crankcase Oil Seal Removal and Installation Kit1 
76793Seal kit, FFKM (.0770)1 
701793Seal kit, NBR (STD)1 
701802Seal kit, FPM (.0110)1 
701803Seal kit, EPDM (.0220)1 

Valves1

Part numberDescriptionPer pumpSuppliers
34151Valve kit, NBR (STD)2 

Exploded view

Cat Pumps exploded view of the 38 Frame block-style 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 9604996049
8 134604 134604134604
9 815279 815279815279
10 12398 1239812398
11 13296 1329613296
12 855049 855049855049
15 29326 2932629326
20 126725 126725126725
21 126749 126749126749
22 126593 126593126593
23 122045 122045122045
25 29325 2932529325
31 828710 828710828710
32 43211 4321143211
33 14177 1417714177
34 126743 126743126743
37 92241 9224192241
38 44428 4442844428
40 125753 125753125753
48 25625 2562525625
49 23170 2317023170
50 45936 4593645936
51 16612 1661216612
53 134784 134784134784
54 27488 2748827488
56 27790 2779027790
59 92538 9253892538
64 43864 4386443864
65 49167 4916749166
69 126587 126587126587
70 100488 100488100488
75 43506 4350643865
88 45675 4567545676
90 43945 4394543866
95 89779 8977989778
96 20184 2018420189
97 14190 1419011345
98 44069 4406944085
99 44068 4406844084
100 814279 814279814279
101 44095 4409544096
104 43875 4387543875
105 701344 701344701323
106 44071 4407144086
107 44074 4407444089
110 701286 -701286
111 701116 701116701116
112 701794 701794701794
113 701319 701319701319
114 701317 701317701317
117 701252 701252701252
118 701077 -701077
122 701367 7013673
123 12391 1239112391
124 701336 701336701448
126 44164 44164701325
127 44607 4460744610
128 44165 44165701326
155 132961 13296111379
156 28675 2867528243
157 701352 701352701385
162 21985 2198521985
163 26089 2608926089
164 44080 4408044080
166 44081 4408144081
167 44082 4408244082
168 44735 4473544735
170 44794 4479444794
171 44793 4479344793
172 15853 1585315853
173 20224 2022420224
174 701260 701260701260
175 87951 8795187951
185 701314 701314701785
188 701279 701279701279
196 701342 701342701342
250 855042 855042855042

Motor

This pump needs 21.45 kW at 800 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 38 Frame block-style pumps

3801HS38103821HS3831HS3841HS