Caterpillar 320D3 Specs (Weight, Engine & Digging)

The Caterpillar 320D3 crawler excavator was introduced in 2019, with an operating weight of 45,856 lb (20.8 t), engine output of 114 hp (85 kW) and a bucket capacity of 1.31 yd³ (1 m³). Maximum digging depth is 20.7 ft (6.3 m), maximum horizontal reach is 31.1 ft (9.47 m) and it uses the ALUW06DTI engine.

Caterpillar Crawler Excavator Specifications

Crawler Excavator • Introduced 2019 • ALUW06DTI

Weight: 45,856 lb (20.8 t)Power: 114 hp (85 kW)Bucket: 1.31 yd³ (1 m³)Dig depth: 20.7 ft (6.3 m)

Key specifications

45,856 lb (20.8 t)Operating weight
114 hp (85 kW)Engine power
1.31 yd³ (1 m³)Bucket capacity
20.7 ft (6.3 m)Digging depth
31.1 ft (9.47 m)Horizontal reach
31,473 lbf (140 kN)Tear-out force
23.6 in (600 mm)Track width
2019Introduced

Useful excavator charts

Charts appear only when enough usable specifications are available.

Digging geometry
Dig depth

20.7 ft

Reach

31.1 ft

Transport dimensions
Length

31 ft

Width

9.2 ft

Height

10 ft

Model spec snapshot
Main numeric specifications for this excavator.
45,856 lbWeight
114 hpPower
1.31 yd³Bucket
31,473 lbfTear-out

How the Caterpillar 320D3 compares

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

Engine power
114 hp
28% below avg
1st percentile
Bucket capacity
1.31 yd³
17% below avg
20th percentile
Digging depth
20.7 ft
4% below avg
30th percentile
Horizontal reach
31.1 ft
4% below avg
28th percentile
Engine power114 hp
Low 114 hpAverage 158 hpHigh 208 hp

About 28% below the peer average.

Bucket capacity1.31 yd³
Low 0.78 yd³Average 1.59 yd³High 2.11 yd³

About 17% below the peer average.

Digging depth20.7 ft
Low 19.4 ftAverage 21.5 ftHigh 25.6 ft

About 4% below the peer average.

Horizontal reach31.1 ft
Low 30.3 ftAverage 32.3 ftHigh 36.6 ft

About 4% below the peer average.

Tear-out force31,473 lbf
Low 22,256 lbfAverage 30,702 lbfHigh 45,861 lbf

In line with the peer average.

This model Peer average

Crawler excavator information

Manufacturer Caterpillar
Model 320D3
Introduced 2019
Boom MB

Operating specifications

Operating weight 45,856 lb (20.8 t)
Bucket capacity 1.31 yd³ (1 m³)
Maximum digging depth 20.7 ft (6.3 m)
Maximum horizontal reach 31.1 ft (9.47 m)
Tear-out force 31,473 lbf (140 kN)

Engine and emissions

Engine manufacturer Caterpillar
Engine model ALUW06DTI
Engine power 114 hp (85 kW)
Displacement 351 cu in (5.8 L)
Cylinder bore × stroke 4.09 × 4.45 in (104 × 113 mm)
Diesel particulate filter No

Dimensions and transport

Transport length 31 ft (9.46 m)
Transport width 9.2 ft (2.8 m)
Transport height 10 ft (3.05 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.