Caterpillar M322C Excavator Specs

Category: Excavators ➔
Manufacturer: Caterpillar ➔
Model: M322C ➔

Introducing the Caterpillar M322C Excavator - a powerful and versatile machine designed to handle a wide range of excavation tasks with ease. With impressive capabilities such as a maximum cutting height of 35.2 ft and a maximum digging depth of 22 ft, this excavator is built to deliver top-notch performance on the job site. Equipped with advanced features and a robust engine, the Caterpillar M322C Excavator is a reliable choice for contractors and operators seeking efficiency and productivity in their projects.

Boom/Stick Mobile Excavator Option 1

Caterpillar M322C Excavator Boom/Stick Mobile Excavator Option 1 specifications
Max Cutting Height	34.20 ft (10.42 m)
Max Digging Depth	20.70 ft (6.31 m)
Max Loading Height	23.00 ft (7.01 m)
Max Reach Along Ground	32.10 ft (9.78 m)
Max Vertical Wall Dig Depth	14.70 ft (4.48 m)
Shipping Height of Unit	13.10 ft (3.99 m)
Shipping Length of Unit	31.00 ft (9.45 m)

Boom/Stick Mobile Excavator Option 2

Caterpillar M322C Excavator Boom/Stick Mobile Excavator Option 2 specifications
Max Cutting Height	35.20 ft (10.73 m)
Max Digging Depth	22.00 ft (6.71 m)
Max Loading Height	24.00 ft (7.32 m)
Max Reach Along Ground	33.40 ft (10.18 m)
Max Vertical Wall Dig Depth	15.90 ft (4.85 m)
Shipping Height of Unit	13.10 ft (3.99 m)
Shipping Length of Unit	31.00 ft (9.45 m)

Boom/Stick Mobile Excavator Option 3

Caterpillar M322C Excavator Boom/Stick Mobile Excavator Option 3 specifications
Max Cutting Height	31.30 ft (9.54 m)
Max Digging Depth	20.00 ft (6.10 m)
Max Loading Height	20.50 ft (6.25 m)
Max Reach Along Ground	32.60 ft (9.94 m)
Max Vertical Wall Dig Depth	15.70 ft (4.79 m)
Shipping Height of Unit	10.70 ft (3.26 m)
Shipping Length of Unit	31.70 ft (9.66 m)

Boom/Stick Mobile Excavator Option 4

Caterpillar M322C Excavator Boom/Stick Mobile Excavator Option 4 specifications
Max Cutting Height	32.10 ft (9.78 m)
Max Digging Depth	21.30 ft (6.49 m)
Max Loading Height	21.20 ft (6.46 m)
Max Reach Along Ground	33.90 ft (10.33 m)
Max Vertical Wall Dig Depth	17.00 ft (5.18 m)
Shipping Height of Unit	10.80 ft (3.29 m)
Shipping Length of Unit	31.70 ft (9.66 m)

Bucket

Caterpillar M322C Excavator Bucket specifications
Maximum Bucket Capacity	1.70 cu yd (1.30 cu m)
Minimum Bucket Capacity	0.80 cu yd (0.61 cu m)
Reference Bucket Capacity	1.20 cu yd (0.92 cu m)

Dimensions

Caterpillar M322C Excavator Dimensions specifications
Ground Clearance	1.20 ft (0.37 m)
Height - Top of Cab	10.50 ft (3.20 m)
Overall Width	9.10 in (23.11 cm)
Overall Width - Outriggers Down	13.00 ft (3.96 m)
Tail Swing Radius	9.10 ft (2.77 m)
Upper Structure Clearance	4.30 ft (1.31 m)
Wheelbase	9.10 ft (2.77 m)

Engine

Caterpillar M322C Excavator Engine specifications
Aspiration	Turbocharged and Aftercooled
Bore	3.90 in (9.91 cm)
Displacement	366.00 cu in (5,997.68 cu cm)
Engine Model	Cat 3056E ATAAC
ISO 9249	164.00 hp (122.30 kw)
Maximum Torque - 1,400 rpm	512.60 lbs ft (694.98 nm)
Net Power	164.00 hp (122.30 kw)
Net Torque	512.70 lbs ft (695.12 nm)
Number of Cylinders	6
Power Measured @	2000 rpm
Stroke	5.00 in (12.70 cm)
Torque Measured @	1400 rpm

Fuel Tank

Caterpillar M322C Excavator Fuel Tank specifications
Fuel Tank Capacity	101.80 gal (385.31 l)

Hydraulic System

Caterpillar M322C Excavator Hydraulic System specifications
Implement/Travel Circuit	92.00 gpm (348.22 lpm)
Normal	5076 psi
Travel Circuit	5076 psi

Operating Specifications

Caterpillar M322C Excavator Operating Specifications specifications
Cooling System Fluid Capacity	10.40 gal (39.36 l)
Engine Oil Capacity	4.30 gal (16.28 l)
Front Diff Fluid Capacity	3.00 gal (11.36 l)
Fuel Capacity	101.80 gal (385.31 l)
Hydraulic Pump Flow Capacity	89.90 gpm (340.27 lpm)
Hydraulic System Fluid Capacity	92.50 gal (350.11 l)
Hydraulic System Relief Valve Pressure	5076.4 psi
Max Steering Angle	35 degrees
Operating Weight	48,060.80 lbs (21,800.04 kg)
Oscillating Axle Angle	18 degrees
Rear Diff Fluid Capacity	3.90 gal (14.76 l)
Tire Size	11.00-20

Service Refill Capacities

Caterpillar M322C Excavator Service Refill Capacities specifications
Cooling	10.30 gal (38.99 l)
Engine Crankcase	4.30 gal (16.28 l)
Front Steering Axle - Differential	3.00 gal (11.36 l)
Fuel Tank	102.00 gal (386.07 l)
Hydraulic System - Including Tank	92.00 gal (348.22 l)
Hydraulic Tank	59.40 gal (224.83 l)
Powershift Transmission	0.70 gal (2.65 l)
Rear Axle - Housing (Differential)	3.90 gal (14.76 l)

Swing Mechanism

Caterpillar M322C Excavator Swing Mechanism specifications
Swing Speed	10.5 rpm
Swing Torque	41,525.00 lbs ft (56,299.60 nm)

Tires

Caterpillar M322C Excavator Tires specifications
Optional	10.00-20 dual solid rubber; 18-R 19.5 XF single
Standard	11.00-20 dual pneumatic

Transmission

Caterpillar M322C Excavator Transmission specifications
Creeper Speed - 1st Gear	2.50 mph (4.02 kph)
Creeper Speed - 2nd Gear	8.10 mph (13.04 kph)
Forward/Reverse - 1st Gear	5.60 mph (9.01 kph)
Max Travel Speed	15.60 mph (25.11 kph)
Maximum Gradeability	62%
Maximum Travel Speed	15.50 mph (24.94 kph)
Number of Forward Gears	2
Number of Reverse Gears	2
Transmission Type	Hydrostatic

Weights

Caterpillar M322C Excavator Weights specifications
Counterweight	8,598.10 lbs (3,900.04 kg)
Dozer Blade	1,985.00 lbs (900.38 kg)
Front and Rear Outriggers (1)	50,045.00 lbs (22,700.06 kg)
Front and Rear Outriggers (2)	48,940.00 lbs (22,198.84 kg)
Outriggers	2,870.00 lbs (1,301.81 kg)
Rear - Dozer Only (1)	46,300.00 lbs (21,001.35 kg)
Rear - Dozer Only (2)	45,195.00 lbs (20,500.13 kg)
Rear - Dozer, Front Outriggers (1)	49,160.00 lbs (22,298.63 kg)
Rear - Dozer, Front Outriggers (2)	48,060.00 lbs (21,799.68 kg)

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