Caterpillar 345 B L II Specs (Weight, Engine & Digging)

The Caterpillar 345 B L II crawler excavator was introduced in 2002, with an operating weight of 107,938 lb (49 t), engine output of 321 hp (239 kW) and a bucket capacity of 3.27 yd³ (2.5 m³). Maximum digging depth is 21.7 ft (6.61 m), maximum horizontal reach is 34.6 ft (10.55 m) and it uses the 3176 C-ATAAC engine.

Caterpillar Crawler Excavator Specifications

Crawler Excavator • Introduced 2002 • 3176 C-ATAAC

Weight: 107,938 lb (49 t)Power: 321 hp (239 kW)Bucket: 3.27 yd³ (2.5 m³)Dig depth: 21.7 ft (6.61 m)

Key specifications

107,938 lb (49 t)Operating weight
321 hp (239 kW)Engine power
3.27 yd³ (2.5 m³)Bucket capacity
21.7 ft (6.61 m)Digging depth
34.6 ft (10.55 m)Horizontal reach
52,740 lbf (235 kN)Tear-out force
23.6 in (600 mm)Track width
2002Introduced

Useful excavator charts

Charts appear only when enough usable specifications are available.

Digging geometry
Dig depth

21.7 ft

Reach

34.6 ft

Transport dimensions
Length

37.6 ft

Width

9.8 ft

Height

12.7 ft

Model spec snapshot
Main numeric specifications for this excavator.
107,938 lbWeight
321 hpPower
3.27 yd³Bucket
52,740 lbfTear-out

How the Caterpillar 345 B L II compares

Comparison is against Caterpillar crawler excavators in the same broad operating-weight class where enough comparable data exists.

Engine power
321 hp
13% above avg
81st percentile
Bucket capacity
3.27 yd³
25% above avg
88th percentile
Digging depth
21.7 ft
15% below avg
9th percentile
Horizontal reach
34.6 ft
13% below avg
5th percentile
Engine power321 hp
Low 169 hpAverage 284 hpHigh 425 hp

About 13% above the peer average.

Bucket capacity3.27 yd³
Low 1.22 yd³Average 2.62 yd³High 4.05 yd³

About 25% above the peer average.

Digging depth21.7 ft
Low 19.3 ftAverage 25.6 ftHigh 42.8 ft

About 15% below the peer average.

Horizontal reach34.6 ft
Low 33.8 ftAverage 39.9 ftHigh 59.3 ft

About 13% below the peer average.

Tear-out force52,740 lbf
Low 29,162 lbfAverage 46,154 lbfHigh 62,821 lbf

About 14% above the peer average.

This model Peer average

Crawler excavator information

Manufacturer Caterpillar
Model 345 B L II
Introduced 2002
Undercarriage LC
Boom MB

Operating specifications

Operating weight 107,938 lb (49 t)
Bucket capacity 3.27 yd³ (2.5 m³)
Bucket width 4.9 ft (1.5 m)
Maximum digging depth 21.7 ft (6.61 m)
Maximum horizontal reach 34.6 ft (10.55 m)
Tear-out force 52,740 lbf (235 kN)

Engine and emissions

Engine manufacturer Caterpillar
Engine model 3176 C-ATAAC
Engine power 321 hp (239 kW)
Displacement 629 cu in (10.3 L)
RPM at maximum torque 2000 rpm
Diesel particulate filter No

Dimensions and transport

Transport length 37.6 ft (11.46 m)
Transport width 9.8 ft (2.99 m)
Transport height 12.7 ft (3.87 m)
Track width 23.6 in (600 mm)

Equipment and features

Air conditioning Yes

Disclaimer: Specifications can vary by configuration, market and attachment. Verify critical dimensions, capacities and ratings against the official machine documentation and the Caterpillar USA website.