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4,266 kg | 9,404 lbs

Weight (without rotator, link, or multi-tree handling)

320 bar | 4,641 psi

Rotator Pressure

813 mm | 32 in

Cutting Capacity

995 mm | 39.2 in

Maximum Opening Diameter

The Log Max 12000XT is the extreme duty head for big tree production, multi-stem processing of smaller softwoods or processing crooked hardwoods.


Standard Configuration

Weight 4,266 kg 9,404 lbs
Height (In Harvesting Position) 2,563 mm 100.9″
Height (Without Rotator & Link) 248.2 cm 77.7″
Maximum Width (With Head Open) 233.5 cm 91.9″
Maximum Width (With Head Closed) 156.3 cm 61.54″
Degree of Rotation Optional Continuous 360°

Number of Drive Rollers 2
Motor Size (Drive Arm) 2,096 cc 127.91 in3
Motor Size (Variable Displacement) N/A N/A
Motor Size (Fixed Center Drive) N/A N/A
Maximum Drive Roller Opening (Diameter) 813 mm 32″
Maximum Drive Roller Closing (Diameter) 254 mm 10″
Feed Speed 3.2 mps 10.5 fps

Number of Delimb Arms 3
Maximum Delimb Opening 995 mm 39.2″
Maximum Delimb Full Coverage 71.0 cm 27.95″
Minimum Delimb Closing (Diameter) 67 mm 2.6″

Saw Type 411XL
Maximum Cut (Diameter) 81 cm | 90 cm 31.9″ | 35.4″
Bar Size 91 cm | 101 cm 35.82″ | 39.76″
Chain Pitch 3/4″
Motor Size 60 cc 3.66 in3
Chain Auto Tension No
Oil Tank Capacity 70 L 18.5 gal

Saw Type 98XL
Maximum Cut (Diameter) 60 cm 23.6″
Bar Size 75 cm 29.5″
Chain Pitch 0.404 mm
Motor Size 19 cc 1.16 in3

Carrier Size (Tracked) 33 – 40 ton
Carrier Size (Wheeled) N/A
Maximum Pressure 320 bar 4,641 psi

Model Log Mate 510
Optional Additions Yes
Full Optimization Optional
Electronic Calipers (For Electronic Calibrations) Optional
Degree of Rotation Continuous 360°

The QB4400 Fixed Felling Head is a multi-functional felling attachment designed to fall, bunch, shovel, and load. Its high torque continuous rotation system, and grapple type arm design fundamentals, allow for highly controlled felling or large high value hard and softwood, providing increased value recovery.


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it’s all in the details

As a true visionary and pioneer in the forestry industry, we embrace quality craftsmanship.

bar saw models

With the ability to handle up to 32” in a single cut, Quadco Bar Saws are ready to tackle your large timber with finesse.

“Stop and go” versatility means the bar saw is retracted after the cut, safely readying the head for your delimbing, topping, and trimming needs.

Our Bar Saw’s arms are extremely durable, feature one cylinder per arm, and are made of cast-iron steel for easy grabbing and accumulating.

bar saw models qb2500 qb3200 qb3500 qb4400
Cutting Capacity 25″ 32″ 34″ 39″