CAT 521 Feller Buncher

Boom

Bare Pin Lift At Max Reach 15652.83 lb (7100 kg)

Dimensions

Overall Length 28.34 ft in (8636 mm)
Overall Width 10.5 ft in (3200 mm)
Height To Top Of Cab 11.67 ft in (3556 mm)
Ground Clearance 2.75 in (838 mm)
Width – Minimum 126 in (3200.4 mm)
Height 11.67 ft in (3556 mm)
Max Reach 26.58 ft in (8100 mm)
Shipping Length – With Attachment 431 in (10947.4 mm)
Shipping Length – Without Attachment 340 in (8636 mm)

Operating Specifications

Maximum Reach – With Attachment 26.6 ft in (8.11 m)
Bare Pin Lift At Maximum Reach – Without Attachment – Track Harvester Configuration 4100 kg (9100 lb) @ 9 m (29.5 ft)
Maximum Reach – With Attachment – Track Harvester Configuration 32 ft in (9.76 m)
Bare Pin Lift At Maximum Reach – Without Attachment 7100 kg (15600 lb) @ 6.1 m (20 ft)

Track

Ground Clearance 33 in (838.2 mm)
Track Gauge 102 in (2590.81 mm)
Track Length 189 in (4800.61 mm)
Undercarriage Size D6H HD
Tractive Effort 70500 lb (31978.27 kg)
Undercarriage Pitch 8 in (203.2 mm)

Undercarriage

Track Gauge 15.76 ft in (4801 mm)
Shoe Size 24.02 in (610 mm)
Track Pitch 8 in (203.2 mm)
Tractive Effort 70499.43 lb (31978 kg)

Engine Details

Engine Make CAT
Engine Model C9 ACERT
Gross Power 284 hp (211.8 kw)
Net Power 263 hp (196.2 kw)
Power Measured @ 2100 rpm
Displacement 537.1 cu in (8.8 L)
Rated Power 263 hp (196.2 kw)
Engine Model Cat C9 ACERT

Operational Specs

Operating Weight W/O Attachment 59710 lb (27084 kg)
Fuel Tank Capacity 140.1 gal (530 L)
Cooling System Fluid Capacity 16.2 gal (61 L)
Engine Oil Capacity 10.4 gal (39 L)
Hydraulic System Fluid Capacity 79.3 gal (300 L)
Operating Voltage 24 V
Alternator Supplied Amperage 95 amps

Weights

Operating Weight – Without Attachment 59710 lb (27084.1 kg)
Operating Weight – Without Attachment – Track Harvester Configuration 57440 lb (26054.4 kg)

Hydraulic System

Pump Size – Travel Circuit 12.2 cu in (0.2 L)
Pump Size – Boom, Implements 11.6 cu in (0.2 L)
Pump Size – Saw Motor 3.4 cu in (0.1 L)

Service Refill Capacities

Cooling System 16.1 gal (61 L)
Fuel Tank Capacity 140 gal (530 L)
Hydraulic Tank 69.2 gal (262 L)
Hydraulic System 79.3 gal (300.2 L)
Engine Oil 10.3 gal (39 L)
Swing Drive 2.6 gal (9.9 L)
Pony Fuel Tank – Optional 90 gal (340.7 L)

Dimensions – Track Harvester Configuration

Shipping Length – Without Attachment 453 in (11506.2 mm)
Height – Without Attachment 140 in (3556 mm)
Width – Minimum – Without Attachment 126 in (3200.4 mm)
Ask a question