Categories ↠ Excavators ↠ Caterpillar 312D

Caterpillar 312D Excavator

Category: Excavators ➔
Manufacturer: Caterpillar ➔
Model: 312D ➔

The Caterpillar 312D Excavator is a powerful and versatile machine designed for heavy-duty digging and material handling tasks. With a maximum cutting height of 27.9 feet and digging depth of 18.2 feet, this excavator offers impressive reach and capabilities. Equipped with a reliable CatC4.2ACERT engine producing 97 horsepower, the 312D delivers efficient performance with a hydraulic pump flow capacity of 33.6 gpm. Operating at an optimal weight of 28,483.8 pounds, this excavator ensures stability and precision in various job site conditions. Explore the detailed specifications of the Caterpillar 312D Excavator below.

See all Caterpillar 312Ds for sale

Boom/Stick Excavator Option 1

Max Cutting Height	27.90 ft (8.50 m)
Max Digging Depth	18.20 ft (5.55 m)
Max Loading Height	20.10 ft (6.13 m)
Max Reach Along Ground	26.90 ft (8.20 m)
Max Vertical Wall Digging Depth	16.40 ft (5.00 m)
Shipping Height of Unit	9.30 ft (2.83 m)
Shipping Length of Unit	25.00 ft (7.62 m)

Boom/Stick Excavator Option 2

Max Cutting Height	28.20 ft (8.60 m)
Max Digging Depth	19.20 ft (5.85 m)
Max Loading Height	20.40 ft (6.22 m)
Max Reach Along Ground	27.70 ft (8.44 m)
Max Vertical Wall Digging Depth	17.00 ft (5.18 m)
Shipping Height of Unit	9.80 ft (2.99 m)
Shipping Length of Unit	25.00 ft (7.62 m)

Boom/Stick Excavator Option 3

Max Cutting Height	28.60 ft (8.72 m)
Max Digging Depth	19.90 ft (6.07 m)
Max Loading Height	20.90 ft (6.37 m)
Max Reach Along Ground	28.30 ft (8.63 m)
Max Vertical Wall Digging Depth	17.60 ft (5.36 m)
Shipping Height of Unit	9.30 ft (2.83 m)
Shipping Length of Unit	25.00 ft (7.62 m)

Bucket

Maximum Bucket Capacity	1.00 cu yd (0.76 cu m)
Minimum Bucket Capacity	0.40 cu yd (0.31 cu m)
Reference Bucket Capacity	0.70 cu yd (0.54 cu m)

Dimensions

Ground Clearance	1.50 ft (0.46 m)
Height - Top of Cab	9.10 ft (2.77 m)
Length of Track on Ground	9.20 ft (2.80 m)
Removal Counterweight Clearance	3.10 ft (0.94 m)
Tail Swing Radius	7.10 ft (2.16 m)
Width to Outside of Tracks	8.20 ft (2.50 m)

Engine

Displacement	259.40 cu in (4,250.81 cu cm)
Engine Model	C4.2 ACERT
Gross Power	97.00 hp (72.33 kw)
Net Power	90.00 hp (67.11 kw)

Operating Specifications

Cooling System Fluid Capacity	4.80 gal (18.17 l)
Engine Oil Capacity	5.20 gal (19.68 l)
Fuel Capacity	66.10 gal (250.19 l)
Hydraulic Pump Flow Capacity	33.60 gpm (127.18 lpm)
Hydraulic System Fluid Capacity	42.80 gal (162.00 l)
Hydraulic System Relief Valve Pressure	5076.4 psi
Operating Weight	28,483.80 lbs (12,920.05 kg)
Swing Drive Fluid Capacity	0.80 gal (3.03 l)

Swing Mechanism

Swing Speed

12.4 rpm

Undercarriage

Drawbar Pull	25,628.30 lbs (11,624.82 kg)
Ground Pressure	6.1 psi
Max Travel Speed	3.50 mph (5.63 kph)
Shoe Size	19.70 in (50.04 cm)
Track Gauge	6.60 ft (2.01 m)

Our Main Office

Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200

About Us

Construction Equipment Guide covers the nation with its four regional newspapers, offering construction and industry news and information along with new and used construction equipment for sale from dealers in your area. Now we extend those services and information to the internet. Making it as easy as possible to find the news and equipment that you need and want.

Contents Copyrighted 2026, by Construction Equipment Guide, which is a Registered Trademark, registered in the U.S. Patent Office. Registration number 0957323. All rights reserved, nothing may be reprinted or reproduced (including framing) in whole or part without written permission from the publisher. All editorial material, photographs, drawings, letters, and other material will be treated as unconditionally assigned for publication and copyright purposes and are subject to Construction Equipment Guide’s unrestricted right to edit and comment editorially. Contributor articles do not necessarily reflect the policy or opinions of this publication.

Read our privacy policy here.
Mastodon