The Caterpillar 308D CR crawler excavator was introduced in 2008, with an operating weight of 18,519 lb (8.4 t), engine output of 56 hp (42 kW) and a bucket capacity of 0.3 yd³ (0.23 m³). Maximum digging depth is 11.8 ft (3.6 m), maximum horizontal reach is 20.5 ft (6.25 m) and it uses the 4 M 40 engine.
Caterpillar Crawler Excavator Specifications
Crawler Excavator • Introduced 2008 • 4 M 40
Weight: 18,519 lb (8.4 t)Power: 56 hp (42 kW)Bucket: 0.3 yd³ (0.23 m³)Dig depth: 11.8 ft (3.6 m)
Key specifications
18,519 lb (8.4 t)Operating weight
56 hp (42 kW)Engine power
0.3 yd³ (0.23 m³)Bucket capacity
11.8 ft (3.6 m)Digging depth
20.5 ft (6.25 m)Horizontal reach
8,093 lbf (36 kN)Tear-out force
17.7 in (450 mm)Track width
2008Introduced
Useful excavator charts
Charts appear only when enough usable specifications are available.
Digging geometry
Dig depth
11.8 ft
Reach
20.5 ft
Transport dimensions
Length
19.1 ft
Width
8.1 ft
Height
8.6 ft
Model spec snapshot
Main numeric specifications for this excavator.
18,519 lbWeight
56 hpPower
0.3 yd³Bucket
8,093 lbfTear-out
How the Caterpillar 308D CR compares
Comparison is against Caterpillar crawler excavators in the same broad operating-weight class where enough comparable data exists.
Engine power
56 hp
8% below avg
42nd percentile
Bucket capacity
0.3 yd³
5% above avg
45th percentile
Digging depth
11.8 ft
13% below avg
17th percentile
Horizontal reach
20.5 ft
8% below avg
17th percentile
Engine power56 hp
Low 48 hpAverage 61 hpHigh 73 hp
About 8% below the peer average.
Bucket capacity0.3 yd³
Low 0.09 yd³Average 0.29 yd³High 0.46 yd³
About 5% above the peer average.
Digging depth11.8 ft
Low 11.4 ftAverage 13.5 ftHigh 16.6 ft
About 13% below the peer average.
Horizontal reach20.5 ft
Low 19.8 ftAverage 22.2 ftHigh 25.4 ft
About 8% below the peer average.
Tear-out force8,093 lbf
Low 7,851 lbfAverage 11,727 lbfHigh 16,479 lbf
About 31% below the peer average.
This model Peer average
Crawler excavator information
Manufacturer
Caterpillar
Model
308D CR
Introduced
2008
Undercarriage
SL
Boom
SKA
Operating specifications
Operating weight
18,519 lb (8.4 t)
Bucket capacity
0.3 yd³ (0.23 m³)
Bucket width
2 ft (0.6 m)
Maximum digging depth
11.8 ft (3.6 m)
Maximum horizontal reach
20.5 ft (6.25 m)
Tear-out force
8,093 lbf (36 kN)
Engine and emissions
Engine manufacturer
Mitsubishi
Engine model
4 M 40
Engine power
56 hp (42 kW)
Displacement
171 cu in (2.8 L)
RPM at maximum torque
2300 rpm
Diesel particulate filter
No
Dimensions and transport
Transport length
19.1 ft (5.83 m)
Transport width
8.1 ft (2.47 m)
Transport height
8.6 ft (2.61 m)
Track width
17.7 in (450 mm)
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.
