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Hours: 6,239
ROPS: Open
Serial Number: 54X00674
Description: Superior CPX Hydraulic Conversion, Boom of Choice-Two (2) pipelayers available for sale in excellent condition, very detailed records and histories.
Updated: Wednesday, August 12, 2026 01:36 PM
Location: Lubbock, Texas
Seller: Worldwide Machinery
Hours: 2,821
ROPS: Open
Drawworks: Hydraulic
Description: Powershift, UC 90%, runs good
Updated: Thursday, September 03, 2026 09:26 AM
Location: Prestonsburg, Kentucky
Seller: Equipment Tool Supply
Hours: 2,686
ROPS: Open
Serial Number: 54X00549
Description: 18FT MIDWESTERN SIDE BOOM. 3 LEVER CONTROL. 20IN SINGLE GROUSER TRACK PADS.
Updated: Tuesday, June 16, 2026 10:33 AM
Location: Pittston Township, Pennsylvania
Seller: LC Enterprise, LLC
ROPS: Open
Serial Number: 54X00544
Stock Number: 319
Description:
Updated: Wednesday, September 02, 2026 08:47 AM
Location: Madera, California
Seller: National Equipment, LLC
ROPS: None
Serial Number: 54X00571
Stock Number: 8844
Description: Hyd Counterweight
3306 DI
35k lbs obo
40k lift
Updated: Wednesday, September 02, 2026 08:47 AM
Location: Madera, California
Seller: National Equipment, LLC
ROPS: Open
Serial Number: 54X00502
Description: 35k lbs obo
40k lift
Updated: Wednesday, September 02, 2026 08:47 AM
Location: Madera, California
Seller: National Equipment, LLC
Hours: 3,970
ROPS: Open
Serial Number: 54X00394
Description: 1979 Caterpillar 561D crawler pipelayer, CAT 3306 diesel engine, naturally aspirated, powershift, lever steering, 2007 Midwestern 561MMC hydraulic ...
Updated: Tuesday, June 30, 2026 02:54 PM
Location: Carbondale, Pennsylvania
Seller: Old Forge Power Equipment Inc.
ROPS: Open
Serial Number: 54X406
Description: 2011 Midwestern M561 Hydraulic Conversion, 18 ft 5 in Midwestern Side Boom, Winch, Drawbar, 20" Track Shoes, Excellent Undercarriage!
Updated: Thursday, August 27, 2026 12:12 PM
Location: Womelsdorf, Pennsylvania
Seller: WEACO EQUIPMENT
ROPS: None
Serial Number: 54X00609
Description: Hyd Counterweight
CAT 3306 DI
Powershift Trans
Boom
35k lbs obo
40k lift
Updated: Wednesday, September 02, 2026 08:47 AM
Location: Madera, California
Seller: National Equipment, LLC
Hours: 6,041
ROPS: Open
Serial Number: 1KW00269
Engine Manufacturer: CATERPILLAR
Engine Model: 3116
Pipeline Equipment Type: Pipelayer
Description: 1999 Caterpillar 561M pipelayer, CAT 3116 turbo diesel engine, 20" single grouse track pads, hydraulic pipelayer controls, extendable counterweight...
Updated: Tuesday, June 30, 2026 02:54 PM
Location: Carbondale, Pennsylvania
Seller: Old Forge Power Equipment Inc.
ROPS: Open
Serial Number: CPH00165
Description: ROPS, Hydraulic Pipelayer, Boom of choice-(6) Six total units available for sale, well maintained rental fleet pipelayers!!! Very detailed records ...
Updated: Wednesday, August 12, 2026 01:27 PM
Location: Houston, Texas
Seller: Worldwide Machinery
ROPS: None
Serial Number: 64A211
Stock Number: 8838
Description: Piperlayer, Electric start, Hyd Counterweight
Powershift trans,
Updated: Wednesday, September 02, 2026 08:47 AM
Location: Madera, California
Seller: National Equipment, LLC
Hours: 1,244
ROPS: Open
Serial Number: 95N00219
Description: ROPS, Superior Conversion Hydraulic Package, Boom of Choice-Total of 4 units in excellent condition!!!
Updated: Wednesday, August 12, 2026 01:39 PM
Location: Lubbock, Texas
Seller: Worldwide Machinery
ROPS: None
Pipeline Equipment Type: Pipelayer
Hydraulic Conversion: Yes
Description: MIDWEST CONVERSION, BOOM, GEARMATIC WINCH, GOOD CAT UNDER CARRIAGE, VERY NICE CALL FOR MORE INFO.
Updated: Wednesday, August 19, 2026 09:28 AM
Location: Santa Rosa, California
Seller: Seaton Machinery
Hours: 555
Drive: Track
Horsepower: 175 HP
ROPS: Open
Serial Number: 16W0515
Stock Number: U0477
Description: 1987 CAT 571G Mechanical Pipelayer – Open machine equipped with Weldco‑Beales ROPS. Approximate operating weight: 52,440 lbs.
Outfitted with a 2...
Updated: Friday, August 21, 2026 11:52 AM
Location: Brownsville, Wisconsin
Seller: Michels Equipment Sales
Hours: 1,364
ROPS: Open
Serial Number: 5ZD00247
Description: ROPS, Superior Conversion Hydraulic Package, Boom of Choice--2 Units available in excellent condition
Updated: Wednesday, August 12, 2026 01:35 PM
Location: Houston, Texas
Seller: Worldwide Machinery
Hours: 1,551
ROPS: Open
Serial Number: 16W00511
Description: ROPS, Superior Conversion Hydraulic Package, Boom of Choice-9 Units available in excellent condition, contact us for a package price.
Updated: Wednesday, August 12, 2026 01:36 PM
Location: Houston, Texas
Seller: Worldwide Machinery
Hours: 5,308
ROPS: Open
Serial Number: 16W00474
Description: 1980 Caterpillar 572G crawler tractor, pipelayer configuration, 20' boom, Midwestern M572 hydraulic conversion, hydraulic counterweight, CAT 3306 t...
Updated: Tuesday, June 30, 2026 02:54 PM
Location: Carbondale, Pennsylvania
Seller: Old Forge Power Equipment Inc.
Hours: 2,681
Drive: Track
Horsepower: 175 HP
ROPS: Open
Serial Number: 16W00309
Stock Number: U0476
Description: 1977 CAT 571G Mechanical Pipelayer – Open machine equipped with Weldco‑Beales ROPS. Powered by a reliable Cat 3306 diesel engine. Approximate opera...
Updated: Friday, August 21, 2026 11:52 AM
Location: Brownsville, Wisconsin
Seller: Michels Equipment Sales
Hours: 2,615
Drive: Track
Horsepower: 200 HP
ROPS: Open
Serial Number: 16W00326
Stock Number: U0478
Description: 1977 CAT 571G Mechanical Pipelayer – Open machine equipped with Weldco‑Beales ROPS. Powered by a Cat 3306 diesel engine, engine serial number: 3N60...
Updated: Friday, August 21, 2026 11:52 AM
Location: Brownsville, Wisconsin
Seller: Michels Equipment Sales
Hours: 1,652
ROPS: Open
Serial Number: 65A00522
Description: ROPS, Superior CPX Hydraulic Conversion Kit, Boom of choice--3 pipelayers for sale, excellent condition, please contact us for special pricing.
Updated: Wednesday, August 12, 2026 01:44 PM
Location: Houston, Texas
Seller: Worldwide Machinery
Hours: 2,714
Drive: Track
Horsepower: 160 HP
ROPS: Open
Serial Number: 65A300
Stock Number: U0334
Description: 1967 CAT 572E Mechanical Pipelayer – Open machine equipped with Weldco‑Beales ROPS and a Hyster D7H winch with drawbar. Machine serial number: 65A3...
Updated: Friday, August 21, 2026 11:52 AM
Location: Brownsville, Wisconsin
Seller: Michels Equipment Sales
Hours: 2,360
Drive: Track
Horsepower: 160 HP
ROPS: Open
Serial Number: 65A00324
Stock Number: U0352
Description: 1967 Caterpillar 572E Mechanical Pipelayer – 18' Boom, ROPS, Drawbar
This 1967 Caterpillar 572E is a mechanical pipelayer built for pipeline con...
Updated: Friday, August 21, 2026 11:52 AM
Location: Brownsville, Wisconsin
Seller: Michels Equipment Sales
Hours: 3,526
Drive: Track
Horsepower: 160 HP
ROPS: Open
Serial Number: 65A214
Stock Number: U0329
Description: 1966 CAT 572E Mechanical Pipelayer – Open machine equipped with Weldco‑Beales ROPS and a Hyster D7F winch with drawbar. Powered by a Cat D339 diese...
Updated: Friday, August 21, 2026 11:52 AM
Location: Brownsville, Wisconsin
Seller: Michels Equipment Sales
ROPS: None
Serial Number: 65A461
Stock Number: 8837
Description: Hyd Counterweight, Electric Start
Powershift trans.
70k lbs obo
90k lift
Updated: Wednesday, September 02, 2026 08:47 AM
Location: Madera, California
Seller: National Equipment, LLC
ROPS: Open
Serial Number: 8PC00644
Description: ROPS, Superior Hydraulic Conversion Kit, Boom of choice
(8) Eight 8PC Prefix Pipelayers Available-Ask for a package price!!
Updated: Wednesday, August 12, 2026 01:35 PM
Location: Houston, Texas
Seller: Worldwide Machinery
Hours: 9,635
ROPS: Open
Serial Number: 8PC00516
Stock Number: CES002989
Rear Winch: Yes
Auxiliary Lighting: Yes
Description: Online Owner's Manual
ROPS - Open
Ultra Low Sulfur Diesel Fuel
Boom: Long
Equipment-certification-code: NCR
Updated: Wednesday, August 12, 2026 01:11 AM
Location: Corpus Christi, Texas
Seller: HOLT CAT Used Equipment
Hours: 6,778
Drive: Track
Horsepower: 200 HP
ROPS: Open
Serial Number: 8PC00427
Stock Number: U0370
Description: 1992 CAT 572G Mechanical Pipelayer – Open ROPS machine equipped with counterweights. Powered by a dependable Cat 3306 diesel engine. Approximate op...
Updated: Friday, August 21, 2026 11:52 AM
Location: Brownsville, Wisconsin
Seller: Michels Equipment Sales
