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Hours: 5,660
Stock Number: 023-14
A/C: Yes
A/C Condition: Excellent
Hours Meter: Accurate / Verified
Processor Year: 2015
Description: *LOCATED IN OH** 2015 Cat 521B with Quadco Head 5660, has 5660 Hours Total, Under carriage 70% Bought with 3600 Hours 2017, Rebuilt Engine by Cat D...
Updated: Friday, October 23, 2026 03:26 PM
Location: Mesa, Arizona, USA
Seller: Laxton Equipment
Hours: 9,397
Serial Number: CAT00521A52100507
Stock Number: L3755
Description:
Updated: Wednesday, November 04, 2026 07:21 AM
Location: Boonville, New York, USA
Seller: C J Logging Equipment Inc.
Stock Number: 13120569
Description: 2004 Caterpillar 521
Hotsaw
Approx 11k hours
Great undercarraige
Runs and operates good
Updated: Monday, November 02, 2026 12:47 PM
Location: Granite Falls, North Carolina, USA
Seller: Carolina Used Machinery
Hours: 3,638
Serial Number: F7B00400
Stock Number: 5060300T0
Engine Manufacturer: CATERPILLAR
Engine Model: C9
Description: 521B BASE TRACK MACHINE
HOT SAW, HYDRAULIC, LOW FLOW
Online Owner's Manual
TEETH, CARBIDE, SUPER TIP
Linkage: FELLER BUNCHER
Film Gp: ANSI
Ro...
Updated: Wednesday, November 11, 2026 03:32 PM
Location: La Crosse, Virginia, USA
Seller: Carter Machinery
Hours: 4,104
Stock Number: F001342
Description: HF201B full rotation saw, 36” triple grouser pads, 70%+ u/c, fully operational.
Inspected by Forestry First at 4,104 hours
Inspection report for ...
Updated: Friday, August 28, 2026 05:37 PM
Location: Lexington, South Carolina, USA
Seller: Forestry First, LLC
Hours: 11,169
Serial Number: F7B00414
Stock Number: EQ366163
Engine Manufacturer: CATERPILLAR
Engine Model: C9
Description: Emissions Level - EPA - EPA Tier 3
Online Owner's Manual
Radio - Bluetooth
Ultra Low Sulfur Diesel Fuel
Equipment-certification-code: NCR
Auxi...
Updated: Tuesday, November 10, 2026 12:09 PM
Location: Brewer, Maine, USA
Seller: MILTON CAT
Hours: 5,349.8
Horsepower: 303 HP
Serial Number: CAT0521BCF7B00336
Stock Number: CX1381
A/C: Yes
Felling Head Year: 2016
Description: Used 2016 Caterpillar 521B feller buncher, cab with
heat/air conditioning, tri-rail triple grouser pads, 900
mm pads, mounted Caterpillar HF201B head.
Updated: Tuesday, November 10, 2026 02:15 PM
Location: Thorp, Wisconsin, USA
Seller: Swiderski Equip, Inc. - Thorp
Hours: 7,753
Serial Number: F7B00365
Stock Number: H63860A
Engine Manufacturer: CATERPILLAR
Description: Good Used machine with 7751 hours and a Satco harvester head - Job Ready Machine
Updated: Tuesday, September 15, 2026 03:34 PM
Location: Traverse City, Michigan, USA
Seller: AIS Construction Eq- Lansing
Hours: 6,737
Stock Number: WDV-521B
Felling Head Manufacturer: QUADCO
Felling Head: Yes
Felling Head Type: Saw
Description: 2016 Caterpillar 521B Excavator Feller Buncher, 6737 Hours, Quadco Saw Head, Cab/Heat/A/C, New Cab Glass, Please Call For More Info.
Updated: Wednesday, November 11, 2026 10:42 AM
Location: Brainerd, Minnesota, USA
Seller: US Equipment Sales
Hours: 7,745
Serial Number: F7B00303
Stock Number: Z284055
A/C: Yes
Engine Manufacturer: CATERPILLAR
Engine Model: C9
Description: FORESTRY FELLER BUNCHER -
CAB/AC/HEAT -
AIR SEAT -
CLOTH SEAT -
STD TRACK -
SAW - CONTINUOUS
Updated: Tuesday, November 10, 2026 08:57 AM
Location: North Mankato, Minnesota, USA
Seller: RDO Equipment Co.
2016 CATERPILLAR 521B
Track Feller Bunchers
CAD $149,801
(GST applies to buyers in Australia)
Hours: 12,724
Horsepower: 303 HP
Serial Number: F7B00366
A/C: Yes
A/C Condition: Excellent
Hours Meter: Accurate / Verified
Description: FOR SALE: 2016 Caterpillar 521B Forestry Feller Buncher w/ Waratah HTH622B Head
Hours: 12,724 | Condition: Well-Maintained
KEY FEATURES:
Mo...
Updated: Tuesday, November 10, 2026 06:10 PM
Location: Toowoomba, Queensland, Australia
