The Caterpillar 311B crawler excavator was introduced in 1997, with an operating weight of 27,690 lb (12.6 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 3064T engine.
Caterpillar Crawler Excavator Specifications
Crawler Excavator • Introduced 1997 • 3064T
Weight: 27,690 lb (12.6 t)Power: 79 hp (59 kW)Dig depth: 18.4 ft (5.6 m)
Key specifications
27,690 lb (12.6 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
11,240 lbf (50 kN)Tear-out force
19.7 in (500 mm)Track width
1997Introduced
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
0.5 yd³
Maximum
1 yd³
Model spec snapshot
Main numeric specifications for this excavator.
27,690 lbWeight
79 hpPower
11,240 lbfTear-out
How the Caterpillar 311B 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
11,240 lbf
41% below avg
1st 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 force11,240 lbf
Low 12,535 lbfAverage 18,966 lbfHigh 25,835 lbf
About 41% below the peer average.
This model Peer average
Crawler excavator information
Manufacturer
Caterpillar
Model
311B
Introduced
1997
Operating specifications
Operating weight
27,690 lb (12.6 t)
Minimum bucket capacity
0.46 yd³ (0.35 m³)
Maximum bucket capacity
1.02 yd³ (0.78 m³)
Bucket width
4 ft (1.23 m)
Maximum digging depth
18.4 ft (5.6 m)
Maximum horizontal reach
26.6 ft (8.1 m)
Tear-out force
11,240 lbf (50 kN)
Engine and emissions
Engine manufacturer
Caterpillar
Engine model
3064T
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 (7.26 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.
