My Digital Tools CAREERS BUY PARTS ONLINE CONTACT US LOCATIONS
Menu

New Equipment

We supply the best heavy equipment so you can build a better business!

Toromont Cat is the trusted dealership in Canada for authentic Caterpillar heavy equipment. We have a wide selection of Cat equipment that includes over 300 machines and 1,200 specialized product attachments for projects in a variety of industries such as construction, mining and forestry. With our extensive product line and first-class customer service, we aim to be your first choice when looking for new heavy equipment.

Caterpillar equipment is recognized and respected globally for its reliability and durability, and at Toromont Cat, we proudly maintain all of our new construction equipment to the highest standards so that it exceeds your expectations on the job site. Whether you’re looking for wheel loaders, excavators, dozers or articulated trucks, you can count on us to help you complete your projects with cost-effective and technologically advanced solutions.

When you choose to buy new heavy equipment with us, you will always be provided with quality machines and superior after-sales support.

If you’re currently working on a project that requires new heavy equipment, call us today!

To see all of our new heavy equipment currently for sale, click on the images below:

1-800-268-1965
Request a Quote

Trailer Mount Knuckleboom Loaders 579D

Cat Trailer Mount Knuckleboom Loaders deliver the performance needed to handle the toughest logging jobs.
Download product brochure #1

Trailer Mount Knuckleboom Loaders 579D

Cat Trailer Mount Knuckleboom Loaders deliver the performance needed to handle the toughest logging jobs.
Download product brochure #1
1-800-268-1965
Request a Quote
Find a dealer near you
Units: USMetric

Dimensions

Stabilizer Spread - Maximum Down Reach 166.8 in 4237 mm
Stabilizer Pad Size 508 × 711 mm (20 × 28 in)
Stabilizer Reach Below Grade 15.5 in 394 mm
Height - Top of Cab 159.1 in 4041 mm
Stabilizer Spread - Grade 183.8 in 4670 mm
Note 579D dimensions are on suspension trailer.
Units: USMetric

Engine

Gross Power 173 hp 129.3 kW
Engine Model Cat C4.4 ACERT
Gross Power - 1,800 rpm 173 hp 129.3 kW
Units: USMetric

GLK Series Grapples - GLK48

Height - Open - Excluding Rotation 45.1 in 1146 mm
Weight - Excluding Rotation 1407 lb 638 kg
Close 4.5 in 114 mm
Height - Open - Including Rotation 66 in 1685 mm
Note All specifications are approximate.
Area (tip to tip) 3 ft² 0.91 m²
Open 48 in 1219 mm
Weight - Including Rotation 1907 lb 865 kg
Units: USMetric

GLK Series Grapples - GLK55

Weight - Excluding Rotation 1411 lb 640 kg
Area (tip to tip) 3.8 ft² 1.15 m²
Close 5 in 127 mm
Weight - Including Rotation 1911 lb 867 kg
Open 54 in 1372 mm
Height - Open - Including Rotation 68 in 1724 mm
Height - Open - Excluding Rotation 46.7 in 1186 mm
Note All specifications are approximate.
Units: USMetric

Hydraulic System

Hydraulic Pressure - System 3625 psi 24994 kPa
Cylinders - Stick one
Hydraulic Pressure - Swing 3625 psi 24994 kPa
Hydraulic Oil Flow at 1,800 rpm 230/230 L/min (60/60 gal/min)
Cylinders - Stabilizers four
Cylinders - Main one
Units: USMetric

Operating Specifications

Knuckleboom Length 32 ft 9.8 m
Swing Speed 9.5 r/min 9.5 r/min
Note *Theoretical
Maximum Reach - Standard Boom 32 ft 9.8 m
Tail Swing 108.2 in 2750 mm
Swing Torque* 73800 ft·lbf 100360 N·m
Swing Bearing - Diameter - Ball Path 43.5 in 1105 mm
Units: USMetric

Service Refill Capacities

Hydraulic Tank 80 gal (US) 302 l
Fuel Tank 100 gal (US) 378 l
Engine Oil 2.1 gal (US) 8 l
Swing Drive 2.6 gal (US) 4 l
Cooling System 7.5 gal (US) 29 l
DEF Tank 5 gal (US) 19 l
Units: USMetric

Shipping Dimensions - Mounted Trailer

Width 101.3 in 2573 mm
Height 159.1 in 4041 mm
Units: USMetric

Standards

OFPS OFPS cab meets SAE J2267
Units: USMetric

Weights

Operating Weight 36500 lb 16556 kg
Counterweight 1440 lb 653 kg
Operating Weight - Without Grapple 36500 lb 16556 kg
Performance
  • The Cat® C4.4 ACERT™ U.S. EPA Tier 4 Final engine provides equivalent power (129.3 kW/173 hp) and optimized performance compared to C Series while minimizing overall fluid consumption
  • Advanced controls manage pump and engine interface to optimize performance and fuel efficiency
  • Leading hydraulic multi-functioning capability enables operator to lift, swing, and rotate grapple simultaneously without impairing performance
Efficiency
  • Auto idle minimizes fuel consumption when machine is on and not actively working
  • High capacity cooling system only pulls in cool external air to maximize efficiency
  • Electrically controlled variable speed fan is modulated to provide cooling only as required, reducing fluid consumption
Comfort
  • Smooth hydraulic controls and superior balance provide market leading comfort and controllability
  • High capacity HVAC system provides dependable cooling and heating for maximum comfort
  • Improved stabilizer controls to equalize stabilizer actuation resulting in optimized uniformity of footing in varying ground conditions
Safety
  • Stabilizer movement alarm alerts bystanders of stabilizer movement
  • Pilot enable alarm alerts bystanders when pilot function is engaged
  • Ground level access of engine, fuel, pilot, and case drain filters as well as electrical service box
Durability
  • Reinforced fabricated booms with optimized cross sections designed to withstand heavy side-to-side delimbing applications and maximize lift capability
  • Field proven cooling system keeps engine and robust hydraulic system cool, extending component life
  • Larger diameter pins feature heavy-duty plating for improved durability and excluder seals to retain grease and keep free of SP contaminant
Serviceability
  • Single cylinder main boom has fewer parts to service than traditional dual cylinder lift system
  • Standard electric fill pump for hydraulic oil is at ground level for safe, easy service
  • Hinged doors provide industry-leading access to core components, daily check points, and service locations
Cat Work Tools
  • Optimized Cat XT™-6 ToughGuard™ hose routings on GLK Series grapple designed to minimize loosening of fittings and improve hose life
  • Larger GLK Series cylinder pins and bushings reduce bearing stress by 25 percent
  • Available now in both a TW “Tapered Wide” and SN “Straight Narrow,” the GLK Series grapple is suitable for additional applications
  • Standard hold valves on GLK Series log grapples improve log retention
  • GLK Series grapples feature optional three port swivel which allows mounting of grapple saw
  • DLK426 delimber knives now have larger diameter pins that reduce bearing stress by 12 percent
 

Find out more

For more information or to request a quote, please complete the form below.

 
Loading animation


Call us today for more information:


1-800-268-1965

Find My Local Branch


request-a-form-footer

©2026 Toromont Industries Ltd. All Rights Reserved.
Copyright   Privacy Statement   Policies   Accessibility   Supplier Code of Conduct