The Caterpillar 311 crawler excavator was introduced in 1994, with an operating weight of 25,133 lb (11.4 t), engine output of 79 hp (59 kW) and a maximum digging depth of 18.4 ft (5.6 m). Maximum horizontal reach is 26.6 ft (8.1 m) and it uses the 3064 engine.
Caterpillar Crawler Excavator Specifications
Crawler Excavator • Introduced 1994 • 3064
Weight: 25,133 lb (11.4 t)Power: 79 hp (59 kW)Dig depth: 18.4 ft (5.6 m)
Key specifications
25,133 lb (11.4 t)Operating weight
79 hp (59 kW)Engine power
18.4 ft (5.6 m)Digging depth
26.6 ft (8.1 m)Horizontal reach
16,535 lbf (74 kN)Tear-out force
19.7 in (500 mm)Track width
1994Introduced
Useful excavator charts
Charts appear only when enough usable specifications are available.
Digging geometry
Dig depth
18.4 ft
Reach
26.6 ft
Transport dimensions
Length
23.8 ft
Width
8.2 ft
Height
9.1 ft
Bucket capacity range
Minimum
0.4 yd³
Maximum
0.8 yd³
Model spec snapshot
Main numeric specifications for this excavator.
25,133 lbWeight
79 hpPower
16,535 lbfTear-out
How the Caterpillar 311 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
Digging depth
18.4 ft
In line with avg
53rd percentile
Horizontal reach
26.6 ft
3% below avg
27th percentile
Tear-out force
16,535 lbf
13% below avg
28th percentile
Engine power79 hp
Low 70 hpAverage 97 hpHigh 124 hp
About 18% below the peer average.
Digging depth18.4 ft
Low 12.4 ftAverage 18.3 ftHigh 21.6 ft
In line with the peer average.
Horizontal reach26.6 ft
Low 23.9 ftAverage 27.4 ftHigh 31.3 ft
About 3% below the peer average.
Tear-out force16,535 lbf
Low 12,535 lbfAverage 18,966 lbfHigh 25,835 lbf
About 13% below the peer average.
This model Peer average
Crawler excavator information
Manufacturer
Caterpillar
Model
311
Introduced
1994
Operating specifications
Operating weight
25,133 lb (11.4 t)
Minimum bucket capacity
0.42 yd³ (0.32 m³)
Maximum bucket capacity
0.84 yd³ (0.64 m³)
Bucket width
3.6 ft (1.09 m)
Maximum digging depth
18.4 ft (5.6 m)
Maximum horizontal reach
26.6 ft (8.1 m)
Tear-out force
16,535 lbf (74 kN)
Engine and emissions
Engine manufacturer
Caterpillar
Engine model
3064
Engine power
79 hp (59 kW)
Displacement
259 cu in (4.2 L)
Cylinders
4
Cylinder bore × stroke
4.02 × 5.12 in (102 × 130 mm)
Diesel particulate filter
No
Dimensions and transport
Transport length
23.8 ft (7.25 m)
Transport width
8.2 ft (2.49 m)
Transport height
9.1 ft (2.76 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.
