Caterpillar Performance Handbook, January 2017, SEBD0351-47

Curl and Crowd Forces ● 326D2 ● 330D2

Hydraulic Excavators

Japan/U.S. Sourced 326D2 Boom

Reach Boom

Stick

Medium

Long 1551

Extra Long

BucketTip Radius

1551

1477 4'10"

mm

ft

5'1" 186

5'1" 186

Bucket Curling Forces

172

kN

lb

41,814

41,814

38,667

Stick Crowd Forces

148

127

113

kN

lb

33,272

28,551

25,471

Boom Stick

Mass Boom

Short 1663

Medium

BucketTip Radius

1663

mm

ft

5'5" 189

5'5" 239

Bucket Curling Forces

kN

lb

42,470

53,729

Stick Crowd Forces

151

147

kN

lb

33,930

33,047

Japan/U.S. Sourced 330D2 Boom

Reach Boom

Stick

Short 1660

Medium

Long 1487 4'11"

Extra Long

BucketTip Radius

1487 4'11"

1488 4'11"

mm

ft

5'5" 201

Bucket Curling Forces

200

201

160

kN

lb

45,187

44,962

45,187

36,000

Stick Crowd Forces

152

133

120

124

kN

lb

34,171

29,900

26,977

27,900

Boom Stick

Mass Boom

Medium

BucketTip Radius

1660

mm

ft

5'5" 239

Bucket Curling Forces

kN

lb

53,729

Stick Crowd Forces

162

kN

lb

36,419

7-192 Edition 47