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2020 Caterpillar 312D

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Product Description

Built for serious work and backed by one of the most trusted names in heavy equipment, this 2020 Caterpillar 312D represents a smart investment in the used machinery market. Caterpillar's global parts network and dealer infrastructure mean reduced downtime, predictable maintenance costs, and strong resale value — critical advantages when operating in demanding environments.

Powered by the proven C4.2 ACERT water-cooled diesel engine producing 72 kW at 2,200 RPM, this 12-ton excavator delivers consistent, reliable performance across a wide range of earthmoving applications. With a maximum digging depth of 5,840 mm, a bucket digging force of 96 kN, and a 0.52 m³ backhoe bucket, it handles medium-duty excavation with precision and efficiency.

  • Engine: Caterpillar C4.2 ACERT | 72 kW / 2,200 RPM | Water-Cooled
  • Operating Weight: 12,920 kg
  • Bucket Capacity: 0.52 m³ (Backhoe)
  • Max Digging Depth: 5,840 mm
  • Max Excavation Radius: 8,430 mm
  • Max Excavation Height: 8,580 mm
  • Travel Speed: 3.4 / 5.5 km/h
  • Climbing Ability: 70% / 35°
  • Fuel Tank Capacity: 250 L
  • Location: Fujian, China | Ready for Export

Choosing Caterpillar in the used market means choosing a machine with documented engineering standards, widely available OEM components, and a brand that holds its value. This 2020 unit from Fujian is competitively positioned for buyers seeking dependable performance without new-equipment pricing.

SpecificationsValue
No.1061271
Tonnage (tons)12
Working weight (kg)12920
Bucket capacity (m³)0.52
Boom length (mm)2800
Rod length (mm)3000
Country of originXuzhou
powerTraditional power
manufacturerJoint venture/Import
bucketbackhoe
Engine typeC4.2ACERT
Rated power (kw/rpm)72/2200
Cooling modewater-cooling
Cylinder diameter × stroke (mm)102 x 130
Displacement (L)4.25
Rotation speed (rpm)12.4
Climbing ability (%)70/35 °
Bucket digging force (kN)96
Rod digging force (kN)62
Travel speed (km/h)3.4/5.5
Maximum flow of main pump (l/min)127
Traveling Hydraulic Circuit (Mpa)3.5
Rotary Hydraulic Circuit (Mpa)2.3
Hydraulic crushing pipeline is standardno
Working Hydraulic Circuit (Mpa)3.05
Pilot Oil Circuit (MPa)4.12
Bucket cylinders - Number × diameter × stroke (mm)100 x 939
Bucket rod cylinders - Number × diameter × stroke (mm)120 x 1197
Boom cylinders - Number × diameter × stroke (mm)110 x 1015
Fuel Tank (L)250
Hydraulic Tank (L)150
Engine Oil changes (L)19.5
Coolant (L)17.9
Hydraulic System (L)162(including fuel tank)
Total transport length (mm)7590
Total transport width (mm)2590
Total transport height (mm)2970
Full cab height (mm)2760
Counterweight ground clearance (mm)915
Minimum ground clearance (mm)430
Total track length (mm)3490
Track gauge (mm)1990
Track plate width (mm)500
Total track width (mm)2590
Track ground length (mm)2780
Maximum digging depth (mm)5840
Maximum excavation height (mm)8580
Maximum unloading height (mm)6210
Maximum vertical digging depth (mm)5160
Bulldozer lift or depth (mm)No bulldozer
Dodging plate width × height (mm)No bulldozer
Maximum excavation radius of stop surface (mm)8430
Maximum effective digging depth (mm)5640
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Overview

No.1061271

Brand Name:

Caterpillar

Model Number:

312D

Year:

2020

Location:

Fujian China

Pub Date

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