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CP56B Vibratory Soil Compactor
CP56B Vibratory Soil Compactor
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The CP56B Vibratory Soil Compactor combines world-class productivity with outstanding operator comfort while continuing the legacy of durability, reliability and ease-of-service that contractors worldwide have come to expect from Cat® machines.


Operating Specifications

Compaction Width
84 in
Ground Clearance
17.9 in
Travel Speed - Maximum
7 mile/h
Turning Radius - Inside Drum Edge
12.08 in


Gross Power
157 HP
Engine Model
Cat C4.4 with ACERT

Service Refill Capacities

Fuel Tank Capacity
64 gal (US)


Wheel Base
9.58 in
Drum Width
84 in
Overall Width
7.58 in
Height - With ROPS/FOPS or Cab
10.25 ft
Drum Diameter
51 in
Overall Length
19.25 ft


23.1 x 26

Vibratory System

Centrifugal Force - Maximum
67600 lb
Nominal Amplitude - Low
0.039 in
Centrifugal Force - Minimum
31670 lb
Vibratory Frequency - Standard
30.5 Hz (1830 vpm) V/m
Nominal Amplitude - High
0.083 in


Operating Weight - With Cab
25707 lb
Weight - Drum with ROPS/FOPS
14026 lb
Operating Weight - With ROPS/FOPS
25264 lb
Weight - Drum with Cab
14231 lb