Caterpillar 521B Feller Buncher Specs

Category: Feller Bunchers ➔
Manufacturer: Caterpillar ➔
Model: 521B ➔

Boom System

Caterpillar 521B Feller Buncher Boom System specifications
Track Feller Buncher - Lift Over Front Of Tracks: Bare Pin Lift At Maximum Reach - Without Head	6100 kg @ 6.2 m (13,500 lb @ 20 ft 6 in)
Track Feller Buncher - Lift Over Front Of Tracks: Maximum Reach - With Head	26.50 ft (8.08 m)

Dimensions

Caterpillar 521B Feller Buncher Dimensions specifications
Height	12.33 ft (3.76 m)
Length	27.50 ft (8.38 m)
Weight	60,629.00 lbs (27,496.15 kg)
Width	10.50 ft (3.20 m)

Engine

Caterpillar 521B Feller Buncher Engine specifications
Gross Power	303.00 hp (225.95 kw)

Ground Clearance

Caterpillar 521B Feller Buncher Ground Clearance specifications
Ground Clearance	35.00 in (88.90 cm)

Hydraulic System

Caterpillar 521B Feller Buncher Hydraulic System specifications
Pumps (1)	Electric hydraulic oil fill pump
Pumps (2)	Dedicated variable displacement pump for travel circuit - 200 cc
Pumps (3)	Dedicated variable displacement pump for boom and implement functions - 200 cc
Pumps (4)	Dedicated variable displacement pump for saw motor - 55 cc

Operating Specifications

Caterpillar 521B Feller Buncher Operating Specifications specifications
Maximum Reach - With Attachment	26.50 ft (8.08 m)

Operating Weights - Without Heads, Standard Counterweight

Caterpillar 521B Feller Buncher Operating Weights - Without Heads, Standard Counterweight specifications
Track Feller Buncher - 521b	60,629.00 lbs (27,500.89 kg)

Power Train

Caterpillar 521B Feller Buncher Power Train specifications
Displacement	537.00 cu in (8,799.87 cu cm)
Engine Model	Cat C9 ACERT
Gross Power	303.00 hp (225.95 kw)
Gross Power - 1,800 Rpm	303.00 hp (225.95 kw)
Rated Power - 2,100 Rpm	282.00 hp (210.29 kw)

Service Refill Capacities

Caterpillar 521B Feller Buncher Service Refill Capacities specifications
Cooling System	10.80 gal (40.88 l)
Engine Oil	10.30 gal (38.99 l)
Fuel Capacity	226.00 gal (855.41 l)
Hydraulic System	118.00 gal (446.63 l)
Swing Drive	2.60 gal (9.84 l)

Standards

Caterpillar 521B Feller Buncher Standards specifications
Cab	Cab meets FOPS/OPS/ROPS/WCB/OR-OSHA requirements

Track Gauge

Caterpillar 521B Feller Buncher Track Gauge specifications
521b	102.00 in (259.08 cm)

Track Length

Caterpillar 521B Feller Buncher Track Length specifications
Track Length	191.10 in (485.39 cm)

Tractive Effort

Caterpillar 521B Feller Buncher Tractive Effort specifications
521b	70,500.00 lbs (31,978.30 kg)

Undercarriage

Caterpillar 521B Feller Buncher Undercarriage specifications
Pitch	8.50 in (21.59 cm)
Size	330 EX (D7)

Weights

Caterpillar 521B Feller Buncher Weights specifications
Operating Weight - Without Attachment	60,629.00 lbs (27,500.89 kg)

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