Caterpillar 311C U Specs (Weight, Engine & Digging)

The Caterpillar 311C U crawler excavator was introduced in 2004, with an operating weight of 26,455 lb (12 t), engine output of 79 hp (59 kW) and a bucket capacity of 0.5 yd³ (0.38 m³). Maximum digging depth is 16.5 ft (5.04 m), maximum horizontal reach is 25.6 ft (7.8 m) and it uses the 3064 T engine.

Caterpillar Crawler Excavator Specifications

Crawler Excavator • Introduced 2004 • 3064 T

Weight: 26,455 lb (12 t)Power: 79 hp (59 kW)Bucket: 0.5 yd³ (0.38 m³)Dig depth: 16.5 ft (5.04 m)

Key specifications

26,455 lb (12 t)Operating weight
79 hp (59 kW)Engine power
0.5 yd³ (0.38 m³)Bucket capacity
16.5 ft (5.04 m)Digging depth
25.6 ft (7.8 m)Horizontal reach
13,039 lbf (58 kN)Tear-out force
19.7 in (500 mm)Track width
2004Introduced

Useful excavator charts

Charts appear only when enough usable specifications are available.

Digging geometry
Dig depth

16.5 ft

Reach

25.6 ft

Transport dimensions
Length

22.7 ft

Width

8.2 ft

Height

9.1 ft

Model spec snapshot
Main numeric specifications for this excavator.
26,455 lbWeight
79 hpPower
0.5 yd³Bucket
13,039 lbfTear-out

How the Caterpillar 311C U compares

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

Engine power
79 hp
18% below avg
16th percentile
Bucket capacity
0.5 yd³
41% below avg
5th percentile
Digging depth
16.5 ft
10% below avg
13th percentile
Horizontal reach
25.6 ft
7% below avg
15th percentile
Engine power79 hp
Low 70 hpAverage 97 hpHigh 124 hp

About 18% below the peer average.

Bucket capacity0.5 yd³
Low 0.5 yd³Average 0.84 yd³High 1.28 yd³

About 41% below the peer average.

Digging depth16.5 ft
Low 12.4 ftAverage 18.3 ftHigh 21.6 ft

About 10% below the peer average.

Horizontal reach25.6 ft
Low 23.9 ftAverage 27.4 ftHigh 31.3 ft

About 7% below the peer average.

Tear-out force13,039 lbf
Low 12,535 lbfAverage 18,966 lbfHigh 25,835 lbf

About 31% below the peer average.

This model Peer average

Crawler excavator information

Manufacturer Caterpillar
Model 311C U
Introduced 2004
Undercarriage SL
Boom MB

Operating specifications

Operating weight 26,455 lb (12 t)
Bucket capacity 0.5 yd³ (0.38 m³)
Bucket width 2.5 ft (0.75 m)
Maximum digging depth 16.5 ft (5.04 m)
Maximum horizontal reach 25.6 ft (7.8 m)
Tear-out force 13,039 lbf (58 kN)

Engine and emissions

Engine manufacturer Caterpillar
Engine model 3064 T
Engine power 79 hp (59 kW)
Displacement 259 cu in (4.2 L)
RPM at maximum torque 1950 rpm
Diesel particulate filter No

Dimensions and transport

Transport length 22.7 ft (6.91 m)
Transport width 8.2 ft (2.49 m)
Transport height 9.1 ft (2.77 m)
Track width 19.7 in (500 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.