Categories ↠ Excavators ↠ Caterpillar 312E

Caterpillar 312E Excavator

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

The Caterpillar 312E is a mid-sized hydraulic excavator designed for versatile construction and earthmoving applications. Featuring a powerful Cat engine, the 312E delivers efficient performance with reduced fuel consumption and lower emissions. Its advanced hydraulic system provides precise control and smooth operation, enhancing productivity on job sites. The excavator's durable undercarriage and reinforced boom and stick ensure long service life in demanding conditions. Operator comfort is supported by an ergonomic cab with excellent visibility and intuitive controls. The Caterpillar 312E is widely used in excavation, trenching, material handling, and site preparation, making it a reliable choice for contractors and heavy equipment operators.

See all Caterpillar 312Es for sale

Boom/Stick Excavator Option 1

Max Digging Depth	20 ft (6 m)
Max Reach Along Ground	28 ft (9 m)

Dimensions

Ground Clearance	2 ft (0 m)
Height - Top of Cab	9 ft (3 m)
Removal Counterweight Clearance	3 ft (1 m)
Tail Swing Radius	7 ft (2 m)

DRIVE SYSTEM

Maximum Drawbar Pull

25,628 lbs (11,625 kg)

Engine

Bore	4 in (11 cm)
Displacement	269 cu in (4,408 cu cm)
Engine Model	Cat C4.4 ACERT
Flywheel Power	91 hp (68 kw)
Gross Power	95 hp (71 kw)
Gross Power - SAE J1995	95 hp (71 kw)
Net Power	91 hp (68 kw)
Net Power - SAE J1349	91 hp (68 kw)
Stroke	5 in (13 cm)

Hydraulic System

Boom Cylinder - Bore	4 in (10 cm)
Boom Cylinder - Stroke	40 in (102 cm)
Bucket Cylinder - Bore	4 in (10 cm)
Bucket Cylinder - Stroke	37 in (94 cm)
Maximum Pressure - Equipment	4424 psi
Maximum Pressure - Swing	3336 psi
Maximum Pressure - Travel	5076 psi
Stick Cylinder - Bore	5 in (13 cm)
Stick Cylinder - Stroke	47 in (119 cm)
Swing System - Maximum Flow	34 gpm (129 lpm)

Operating Specifications

Cooling System Fluid Capacity	6 gal (22 l)
Engine Oil Capacity	4 gal (14 l)
Fuel Capacity	66 gal (250 l)
Hydraulic System Fluid Capacity	43 gal (164 l)
Operating Weight	29,770 lbs (13,503 kg)
Swing Drive Fluid Capacity	1 gal (3 l)

Service Refill Capacities

Cooling System	6 gal (22 l)
Final Drive - Each	1 gal (3 l)
Fuel Tank Capacity	66 gal (250 l)
Hydraulic System - Including Tank	43 gal (164 l)
Hydraulic Tank	24 gal (91 l)
Swing Drive	1 gal (3 l)

Standards

Brakes

ISO 10265 2008

Track

Number of Carrier Rollers - Each Side - Long Undercarriage	2 pieces
Number of Shoes - Each Side - Long Undercarriage	46 pieces
Number of Track Rollers - Each Side - Long Undercarriage	7 pieces

Undercarriage

Drawbar Pull	25,628 lbs (11,625 kg)
Max Travel Speed	3 mph (5 kph)

Weights

Maximum Operating Weight	33,080 lbs (15,005 kg)
Minimum Operating Weight	29,770 lbs (13,503 kg)
Operating Weight	33,080 lbs (15,005 kg)

Caterpillar 312Es currently for sale

A 2012 Caterpillar 312E From Chappell Tractor Sales, LLC for $89,000.00 USD

A 2014 Caterpillar 312E From Caledonia Diesel LLC for $88,500.00 USD

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