Machine models

Cat 550 specifications

Entries in this reference
Listing-entry count
1

Short answer

Cat 550: harvester.

Selected configuration figures
Configuration	Documented field and quantity
550	Net Power 154 hp Operating Weight 34,017 lb

Operating Specifications
Specification	550
House Leveling System - Each Side	15 degrees
Engine House And Center Oscillation Bearing - +/-	15 degrees
House Leveling System - Backwards	3 degrees
Cast Steel Articulation Knuckle - +/-	40 degrees
House Leveling System - Forward	17 degrees
Reach - Maximum - With Head	27.8 ft

Operational
Specification	550
Operating Weight	34,017 lb
Fuel Capacity	105.7 gal
Hydraulic System Fluid Capacity	39.7 gal
Engine Oil Capacity	8 gal
Cooling System Fluid Capacity	13.3 gal

Transmission and speeds
Specification	550
Transmission Type	Hydrostatic, 2-speed drop box

Weights
Specification	550
Operating Weight - With Attachment	47,000 lb
Operating Weight - Estimated	47,040 lb

Drive System
Specification	550
Tire Size - Front	600/65-34 14PR
Tire Size - Rear	700/55-34 14PR

Hydraulic System
Specification	550
Pump Size - Boom, Implements	8.6 cu in

Service Refill Capacities
Specification	550
Fuel Tank	120 gal
Hydraulic Tank	100 gal

Boom And Stick
Specification	550
Reach - Maximum	27 ft

Ratios
Figure	550
Engine horsepower per 1,000 lb of weight	4.5
Fuel tank per engine horsepower	0.69 gal

Cat 550: harvester

550: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	harvester	Cat and the 550. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	2

Used market for the 550 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Cat harvester	1

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
550	1	2008	$79,500	$79,500	$79,500	40

550: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Cat together with the harvester 550	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Cat 550 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Cat 550 — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Cat 550 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Cat — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

550

Specification	Source figure
Engine
Engine Model	3126 DITA
Net Power	154 hp
Gross Power	197 hp
Power Measured @	2,200 rpm
Displacement	439.4 cu in
Max Torque	555.4 lb-ft
Torque Measured @	1,400 rpm
Dimensions and weight
Shipping Length - Non Tilt	21.82 ft
Overall Width	9.13 ft
Height To Top Of Cab	11.16 ft
Height	11.59 ft
Wheelbase - Duals	164 in
Width	118 in
Length	0.47 ft
Operational
Operating Weight	34,017 lb
Fuel Capacity	105.7 gal
Hydraulic System Fluid Capacity	39.7 gal
Engine Oil Capacity	8 gal
Cooling System Fluid Capacity	13.3 gal
Operating Specifications
House Leveling System - Each Side	15 degrees
Engine House And Center Oscillation Bearing - +/-	15 degrees
House Leveling System - Backwards	3 degrees
Cast Steel Articulation Knuckle - +/-	40 degrees
House Leveling System - Forward	17 degrees
Reach - Maximum - With Head	27.8 ft
Transmission and speeds
Transmission Type	Hydrostatic, 2-speed drop box
Weights
Operating Weight - With Attachment	47,000 lb
Operating Weight - Estimated	47,040 lb
Drive System
Tire Size - Front	600/65-34 14PR
Tire Size - Rear	700/55-34 14PR
Hydraulic System
Pump Size - Boom, Implements	8.6 cu in
Service Refill Capacities
Fuel Tank	120 gal
Hydraulic Tank	100 gal
Boom And Stick
Reach - Maximum	27 ft
Additional specifications
Ground Clearance	1.84 ft