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Cat CB-634D
November 7, 2007

The Cat CB-634D can be used in all phases of compaction, reducing the need for a variety of rollers. The CB-634D is capable of working as a breakdown and intermediate roller because of its high compactive forces. When operated in the static mode, the CB-634D works as a finish roller because of its high static pounds per linear inch (PLI). Its machined steel drums provide a smooth finish in this application.








Units:  US 

Engine Model

Cat® 3116T

Cat® 3116T

Gross Power

145 hp

108 kW

Net Power – EEC 80/1260

138 hp

103 kW

Net Power – ISO 9249

138 hp

103 kW


4.12 in

105 mm


5 in

127 mm

Net Power – SAEJ1349 (JUN 95)

138 hp

103 kW



Operating Weight with ROPS/FOPS

28160 lb

12800 kg

Operating Weight at Rear Drum with ROPS/FOPS

14643.09 lb

6642 kg

Operating Weight at Front Drum with ROPS/FOPS

13512.12 lb

6129 kg

Operating Weight without ROPS/FOPS

27255 lb

12389 kg

Shipping Weight with ROPS/FOPS

26260 lb

11937 kg

Shipping Weight without ROPS/FOPS

25355 lb

11525 kg

Service Refill Capacities


Fuel Tank Capacity

66 gal

250 L

Water (Spray) Tank Capacity

317 gal

1200 L

Operating Specifications


Curb Clearance

15.1 in

394 mm

Turning Radius Outside Drum Edge

262 in

6655 mm

Turning Radius Inside Drum Edge

170 in

4318 mm

Ground Clearance

15.1 in

394 mm

Travel Speed Max

7.6 mph

12.2 km/h

Vibratory System


Drum Width

84 in

2130 mm

Drum Diameter

51 in

1300 mm


2640 vpm

44 Hz

Nominal Amplitude – High

.041 in

1.04 mm

Nominal Amplitude – Low

.015 in

.36 mm

Centrifugal Force Maximum

35745 lb

159 kN

Centrifugal Force Minimum

13039 lb

58 kN

Vibration Selection

Independent per drum

Independent per drum

Eccentric Weight Drive

Hydraulic direct, auto reversing

Hydraulic direct, auto reversing



Overall Length

195 in

4953 mm


124 in

3150 mm

Height at Steering Wheel

93 in

2362 mm

Height with ROPS/FOPS

123 in

3113 mm

Compaction Width

84 in

2130 mm

Overall Width

90.98 in