522

A robust undercarriage utilizes proven components, customized for demanding forestry conditions. The unique boom design provides industry leading lift capacity throughout full reach range, a benefit in large timber. Four models are available with just the right horsepower, track size and hydraulic configurations to fit your application needs.


SPECIFICATIONS
Engine
Gross Power 284 HP
Engine Model Cat® C9 ACERT™
Rated Power 263 HP
Displacement 537 in³


Operating Specifications
Maximum Reach - With Attachment 26.6 ft
Maximum Reach - With Attachment - Track Harvester Configuration 32 ft
Bare Pin Lift at Maximum Reach - Without Attachment 7100 kg (15600 lb) @ 6.1 m (20 ft)
Bare Pin Lift at Maximum Reach - Without Attachment - Track Harvester Configuration 4100 kg (9100 lb) @ 9.0 m (29.5 ft)


Track
Undercarriage Size D6H HD
Undercarriage Pitch 8 in
Track Gauge 2591 - 2870mm (102 -113 in)
Track Length 189 in
Ground Clearance 33 in
Tractive Effort 75500 lb


Hydraulic System
Pump Size - Travel Circuit 12.2 in³
Pump Size - Boom, Implements 11.59 in³
Pump Size - Saw Motor 3.36 in³


Service Refill Capacities
Fuel Tank 140 gal (US)
Pony Fuel Tank - Optional 90 gal (US)
Cooling System 16.1 gal (US)
Engine Oil 10.3 gal (US)
Hydraulic Tank 69.2 gal (US)
Hydraulic System 79.3 gal (US)
Swing Drive 2.6 gal (US)


Weights
Operating Weight - Without Attachment 67040 lb
Operating Weight - Without Attachment - Track Harvester Configuration 65710 lb


Dimensions
Shipping Length - With Attachment 431 in
Shipping Length - Without Attachment 340 in
Height 152 in
Width 1 126 in
Width 2 137 in


Dimensions - Track Harvester Configuration
Shipping Length - Without Attachment 318 in
Height - Without Attachment 152 in
Width 1 - Without Attachment 126 in
Width 2 - Without Attachment 137 in


BENEFITS & FEATURES
Powertrain



Hydraulic Packages



Operator Comfort



Leveling System



Undercarriage



Boom and Stick



Versatility



Owning and Operating Costs



Serviceability



Customer Focus



EQUIPMENT
Standard Equipment

Electrical
  • 24-volt electrical system
  • 2-12 volt maintenance free batteries with 950 CCA
  • 95 Amp alternator
  • IQAN programmable controls
  • MDL large display screen
Guards
  • Hydraulically actuated hinged engine enclosure with warning alarm
  • Engine fan guard
  • Bottom guards
  • Isolation mounted cab and engine
  • Heavy duty radiator guard door
Operator Environment
  • OPS/FOPS/ROPS cab
  • Dual joystick control
  • Reverse slope windshield
  • Air ride seat
  • Skylight - alternate escape hatch
  • Top escape hatch
  • 3 inch retractable seat belt
  • Heater/air conditioner w/climate control
  • DIN mount radio ready
  • Operator sound suppression to standards
  • Travel alarm
  • Cup holders (2)
  • 2-l2volt and 1-24 volt power outlets
  • Front Window, 1.25 in Thick Margard
Powertrain
  • C9 ACERT engine meets Tier 2 emissions requirements
  • Infinitely variable travel speed
  • Under hood centrifugal precleaner and primary air filter
  • 43C degree ambient temperature cooling package
  • Electric fuel priming pump
  • Fuel water separator
Undercariage
  • Track roller guards with access holes
  • Hydraulic track adjusters
  • Double flange track rollers
  • GFT80 Lohmann final drives
  • Caterpillar D6H HD grease lubricated and swaged undercarriage components
  • Bolted, variable gage leveling carbody with 3-cylinder tilt mechanism
Other Standard Equipment
  • Vandalism protection
  • Spare hose storage area
  • Grease gun bracket and storage area
  • 140 US gallon fuel tank
Hydraulics
  • Dedicated pilot pump
  • Two dedicated variable displacement track pump and implement pump
  • 30 gpm dedicated saw pump
  • Cat® 325C swing drive and swing motor
  • Electric hydraulic oil fill pump
  • 70 US gal hydraulic tank
Antifreeze
  • 50% concentration extended life coolant

Optional Equipment

Track Systems
  • 24" SG pads, clipped corners, with mud/snow reliefs
  • 28" SG pads, clipped corners, with mud/snow reliefs
  • 36" Tri-track, clipped corners, with mud/snow reliefs
  • Star Carrier Rollers
Other Equipment
  • Starting Aid, Cold Weather
  • Starting Aid, Arctic
  • Pony Tank, additional 90 US gal (341 L) fuel capacity
  • Flexxaire™ Fan
Field Installed Attachments
  • CD Player with AM/FM Stereo – remote capable
  • Skylight, peaked, removable
  • Loose Linkage Arrangements

CONNECT. DISCUSS. SOLVE.
CATERPILLAR EQUIPMENT MAINTENANCE ONLINE COMMUNITY

LATEST POSTS FROM THE ONLINE COMMUNITY ...

Door Lock
Good morningi am the owner of a 700kwa CAT generator, we lost the key for the doors accessing the en...  [More]

156-7172 Control Gp-engine Electronic
Hi guys, This is Tariq, We have installed the "156-7172 control gp-engine electronic " into this mac...  [More]

C13 Turbo Problems
I have a c13 single turbo in a Combine that keeps breaking waste gate actuator flapper arms. Put new...  [More]

OIL CAPACITY AND REQUIREMENT FOR E235 32K02741
I had some personnel putting oils for my excavator in one of our sites... It has taken more than 450...  [More]
HOW CAN WE HELP?
SHARE YOUR FEEDBACK OR ASK A QUESTION
Feel free to ask a question or share a comment about the information on this page.

To help us answer your question or respond to your comment, please enter your email address.