511/521/522/532 Engine Model Cat® C9 ACERT™ Tier II Gross Power @ 1800 rpm: 511 247 hp / 184.2 kW 521/522 284 hp / 211.8 kW 532 284 hp / 211.8 kW Operating weights (w/o head): 511 24362 kg/53710 lb* 23790 kg/52440 lb** 521 27084 kg/59710 lb* 26050 kg/57440 lb** 522 30410 kg/67040 lb* 29806 kg/65710 lb** 532 31620 kg/69710 lb* 31450 kg/69340 lb** * Track Feller Bunchers ** Track Harvesters 511/521/522/532 Track Feller Bunchers & Track Harvesters - ZTS (Zero Tail Swing) ®

22 Cat® 511/521/522/532 Track Feller Buncher/Track Harvester 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. Power Train The Cat® C9 ACERT™ Tier II high torque engine provides excellent power, fuel economy, serviceability and durability. With 5% greater fuel efficiency than its predecessor, and meeting...

3 Powertrain Built for power, reliability, low maintenance, excellent fuel economy and low emissions. Powerful Performance The Cat® C9 electronically controlled ACERT delivers power while meeting all current Tier II emission standards. All models contain a fuel/water separator, engine air intake heater and a dual-stage combination air cleaner with pre-cleaner. High Capacity Cooling System The side-by-side radiator/oil cooler gives excellent cooling capacity for high production bunching and harvesting. The optional on-demand Flexxaire™ fan activates only when required and allows the cooling fan...

4 Electric Hydraulic Oil fill Pump The hydraulic oil site gauge provides easy visibility to know when hydraulic oil needs to be added. An easy accessible service wand allows hydraulic oil to be pumped through the hydraulic filtering system and into the tank. This reduces maintenance time and helps to maintain oil cleanliness requirements. Variable Displacement Pump Cat® 511 ZTS Track Feller Bunchers and Harvesters contain a dedicated variable displacement pump for travel circuit and implement functions, and a dedicated variable displacement pump for felling attachments. Cat 521/522/532 ZTS Track...

5 Interior Operator Station The operator station is quiet with conveniently placed controls, joysticks and an ergonomically designed seat reducing operator fatigue. Quiet Operation Isolation mounted cab and engine reduces sound levels and vibration for quiet and comfortable operation. Large Storage Compartment A large storage space behind the seat, provides sufficient room for a lunch box, hard hats and work tools. Viewing Cab design optimizes post structures and window placement to provide excellent operator visibility to front, sides and rear. Standard 1.25" thick “Margard” front window maximizes...

6 Tilt Mechanism With the most robust tilt mechanism in the industry, the ZTS tilting models (522 and 532) have a patented 3-cylinder tilt mechanism with simultaneous tilting forward and side-to-side. Trunion cylinders are mounted on 2” (51 mm) steel plates and transfer vertical loads down to the interface of the track frames and carbody, putting the load into the track and ground. Cylinders Three-cylinder tilt mechanism with simultaneously 20 degree forward tilt and 11 degree side-to-side tilt. Leveling System Tilting mechanism provides stability and comfort in steep slope conditions. Ground...

7 Reliable Precision welded, high-wide carbody has strong frames that reduce flexing and increase reliability of rollers and track links throughout the life of the machine. Nine bottom rollers per side. Travel Motor Proven final drives and travel motors provide up to 85,000 lbs (38 555 kg) of tractive effort on the 532 giving excellent traction and power to the ground. Track Guards Integrated welded track guards provided on the 511 and 521, with bolt-on track guards provided on the 522 and 532 leveling machines. Carbody Leveling 522 and 532 models feature a bolted track frame to carbody design....

8 Attachments From plantation thinning to select cut of large diameter wood, Cat® felling attachments provide reliable productive felling solutions. These range in cut capacity from 22" to 24". Designed to allow maximum visibility of the cutting area, all saws utilize high pressure hydraulics for fast saw recovery and quick arm speed. This provides a positive impact on production and better tree control. Tilt All models are available with a standard 40 degree partial lateral tilt, or an optional 220 degree full lateral tilt. With up to 15,600 lb (7100 kg) of bare pin lift capacity at 20' (6.1...

9 ACERT Technology Fuel Economy. Based on Caterpillar® testing, the fuel economy of Cat® engines with ACERT technology is 3 to 5 percent better than current competing technologies. This fuel economy is directly related to the complete combustion of fuel due to the integration between the electronic control that monitors conditions, the air management system that controls air volume and the fuel injection system that delivers just the right amount of fuel as needed. Clam-Shell Service Doors The hydraulically actuated clam-shell service doors provide easy and quick access reducing machine maintenance...

10 Extended Service Intervals Caterpillar® service and maintenance intervals have been extended to reduce machine service time, increase machine availability and reduce operating costs. Hydraulic oil change intervals can be extended from 2,000 hours to 4,000 hours. Engine coolant change intervals are 12,000 hour with Cat® Extended Life Coolant/Anti-freeze. Regularly scheduled maintenance extends machine service life and lowers overall operating costs. 500-hour oil change interval reduces overall maintenance costs. Flexxaire™ Fan Optional Flexxaire™ fan operates only when required and allows the...