521B Track Harvester - Puckett Rents

The new B Series track feller bunchers feature smoother hydraulic performance, increased engine HP, a more comfortable operator station and better right side operator visibility. The Cat 521B Series are zero tail swing machines designed for medium to high production clear cut and or select cut on rough terrain. These machines perform in a variety of small through larger tree size applications. 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.

Engine

Gross Power: 303.0 hp

Hydraulic System

Pumps: Dedicated variable displacement pump for boom and implement functions - 200 cc
Pumps: Electric hydraulic oil fill pump
Pumps: Dedicated variable displacement pump for travel circuit - 200 cc

Operating Specifications

Max Reach w/ Head: 32.5 ft

Service Refill Capacities

Cooling System: 10.8 gal
Engine Oil: 10.3 gal
Hydraulic System: 118.0 gal
Swing Drive: 2.6 gal
Fuel Capacity: 226.0 gal

Weights

Operating Weight w/o Head: 59450.0 lb

Standards

Cab: Cab meets FOPS/OPS/ROPS/WCB/OR-OSHA requirements

Undercarriage

Pitch: 8.5 in
Size: 330 EX (D7)

Power Train

Displacement: 537.0 in3
Engine Model: CatÂ® C9 ACERTâ„¢
Gross Power: 303.0 hp
Gross Power @ 1,800 rpm: 303.0 hp
Rated Power @ 2,100 rpm: 282.0 hp

Boom System

Track Harvester Configuration - Lift over front of tracks: Bare Pin Lift @ Maximum Reach (without head): 4000 kg @ 9.8 m (8,800 lb @ 32 ft 5 in)
Track Harvester Configuration - Lift over front of tracks: Maximum Reach (with head): 32.5 ft

Operating Weights (without heads, standard counterweight)

Track Harvester Configuration - 521B: 59450.0 lb

Track Gauge

521B: 102.0 in

Track Length

Track Length: 191.1 in

Ground Clearance

Ground Clearance: 35.0 in

Tractive Effort

521B: 70500.0 lb

LINKAGES
- Harvester Long
- Omission - Linkage
HYDRAULICS
- Harvester
TRACK SYSTEMS
- 610 mm (24 in) SG pads, clipped corners, with mud/snow reliefs
- 711 mm (28 in) SG pads, clipped corners, with mud/snow reliefs
- 711 mm (28 in) DG pads, clipped corners, with mud/snow reliefs
- 914 mm (36 in) Tri-track, clipped corners, with mud/snow reliefs
- Star Carrier Rollers
- Standard Carrier Rollers
OTHER EQUIPMENT
- Lighting Gp-HID, replaces certain standard lights
- Heavy Counterweight
- Starting Aid, Cold Weather - includes two additional batteries
- Starting Aid, Arctic - includes engine and hydraulic oil Arctic heater
FIELD INSTALLED ATTACHMENTS
- Skylight, peaked, removable