Komatsu WA320-7 Wheel Loader Specs

Category: Wheel Loaders ➔
Manufacturer: Komatsu ➔
Model: WA320-7 ➔

Komatsu WA320-7 wheel loader is a mid-size articulated machine designed for material handling, stockpiling, truck loading, and general construction work. It is part of Komatsu's WA series and is commonly used in aggregate yards, quarries, roadwork, agriculture, and industrial sites. The WA320-7 typically features a diesel engine, hydraulic loader arms, a front-mounted bucket, and a cab configured for operator visibility and control. Known for balanced lifting performance and maneuverability, it is suited to loading loose materials such as gravel, sand, soil, and demolition debris. Availability of specifications may vary by market, configuration, and production year.

Bucket

Komatsu WA320-7 Wheel Loader Bucket specifications
Dump Clearance at Max Raise	9.40 ft (2.87 m)

Engine

Komatsu WA320-7 Wheel Loader Engine specifications
Aspiration	TURBOCHARGED
Engine Model	SAA6D107E-2
Gross Power	173.00 hp (129.01 kw)
Net Power	165.00 hp (123.04 kw)
Number of Cylinders	6
Power Measured @	2100 rpm

Hydraulic System

Komatsu WA320-7 Wheel Loader Hydraulic System specifications
Dump Time	1.6 seconds
Lower Time	3.3 seconds
Pump Flow Capacity	29.10 gpm (110.14 lpm)
Pump Type	GEAR TYPE PUMP
Raise Time	5.7 seconds
Relief Valve Setting	2700 psi

Operating Specifications

Komatsu WA320-7 Wheel Loader Operating Specifications specifications
Cooling System Fluid Capacity	6.10 gal (23.09 l)
Engine Oil Fluid Capacity	6.10 gal (23.09 l)
Front Axle/Diff Fluid Capacity	7.10 gal (26.87 l)
Fuel Capacity	64.70 gal (244.89 l)
Hydraulic System Fluid Capacity	23.70 gal (89.70 l)
Rated Bucket Capacity	3.70-4.20 cu yd (2.83-3.21 cu m)
Rear Axle/Diff Fluid Capacity	6.70 gal (25.36 l)
Tire Size	20.5-25
Turning Radius	17.80 ft (5.43 m)

Transmission

Komatsu WA320-7 Wheel Loader Transmission specifications
Max Speed - Forward	23.60 mph (37.98 kph)
Max Speed - Reverse	23.60 mph (37.98 kph)
Number of Forward Gears	4
Number of Reverse Gears	4
Transmission Type	HYDROSTATIC

Weights

Komatsu WA320-7 Wheel Loader Weights specifications
Operating Weight	33,731.00-33,984.00 lbs (15,300.14-15,414.90 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