Machine models

Kobelco RK450-2 specifications

Entries in this reference
Listing-entry count
1

Short answer

Kobelco RK450-2: rough terrain crane.

Selected configuration figures
Configuration	Documented field and quantity
RK450-2	Gross Power 315.7 hp Operating Weight 82,585 lb

RK450-2 specification matrix — Boom
Specification	RK450-2
Min Height @ Max Raise Angle	33.47 ft
Max Height @ Max Raise Angle - No Jib	127.96 ft
Max Elevating Angle	82.5 degrees
Number Of Sections	5
Swing Speed	2.4 rpm

Dimensions and weight
Specification	RK450-2
Transport Length	40.1 ft
Transport Width	9.52 ft
Transport Height	11.98 ft
Wheelbase	189.77 in
Width W/ Outriggers Extended	23.63 ft
Upper Structure Tail Swing Radius	11.65 ft

Operational
Specification	RK450-2
Operating Weight	82,585 lb
Fuel Capacity	79.3 gal
Hydraulic System Fluid Capacity	151.9 gal
Operating Voltage	24 V
Tire Size	18.00R25

Transmission and speeds
Specification	RK450-2
Max Speed - Forward	30.5 mph

Ratios
Figure	RK450-2
Engine horsepower per 1,000 lb of weight	3.8
Fuel tank per engine horsepower	0.25 gal

Kobelco RK450-2: rough terrain crane

Also sold as. Cranepedia lists the Kobelco RK450-2 rough terrain crane under the name Panther 500. Kobelco RK450-2 (Panther 500), Cranepedia.
Also sold as the Panther 500. The RK450-2 is a 45-ton rough terrain crane also marketed as the Panther 500, with a five-section 40 m main boom and a 13.7 m jib. Kobelco RK450-2 (Panther 500) load chart, Cranepedia.
Age of units in the field. Used-crane listings show RK450-2 units from at least 1992, with documented units from 1997, so surviving machines are 1990s builds. Kobelco rough terrain cranes for sale, CraneTrader.
Maker. The crane division is a wholly owned subsidiary of Kobelco Construction Machinery, itself part of Kobe Steel. Kobelco RK450-2 specifications, CraneMarket.

Used market for the RK450-2 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Kobelco rough terrain crane	5

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
RK450-2	5	1992 to 1997	None shown	None shown	None shown	None shown

RK450-2: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Kobelco together with the rough terrain crane RK450-2	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Kobelco RK450-2 — RitchieSpecs. Observed 2026-09-24.
Published history	Published history Source: Kobelco RK450-2 (Panther 500), Cranepedia — Cranepedia. Observed 2026-09-25.
Published history	Published history Source: Kobelco rough terrain cranes for sale, CraneTrader — Cranetrader. Observed 2026-09-25.
Published history	Published history Source: Kobelco RK450-2 specifications, CraneMarket — CraneMarket. Observed 2026-09-25.
Used-market listings	Used-market listings: MachineryTrader listings for Kobelco RK450-2 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Kobelco — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Dated listing search without advertised prices
Date	Listing index	Equipment class	Names queried	Listings	Price observation
2026-09-24	MachineryTrader	rough terrain crane	RK450-2	5	No prices shown in this snapshot

RK450-2

Specification	Source figure
Boom
Min Height @ Max Raise Angle	33.47 ft
Max Height @ Max Raise Angle - No Jib	127.96 ft
Max Elevating Angle	82.5 degrees
Number Of Sections	5
Swing Speed	2.4 rpm
Dimensions and weight
Transport Length	40.1 ft
Transport Width	9.52 ft
Transport Height	11.98 ft
Wheelbase	189.77 in
Width W/ Outriggers Extended	23.63 ft
Upper Structure Tail Swing Radius	11.65 ft
Engine
Engine Make	Mitsubishi
Engine Model	6D22TC
Gross Power	315.7 hp
Power Measured @	2,200 rpm
Max Torque	853.5 lb-ft
Torque Measured @	1,400 rpm
Aspiration	Turbocharged
Operational
Operating Weight	82,585 lb
Fuel Capacity	79.3 gal
Hydraulic System Fluid Capacity	151.9 gal
Operating Voltage	24 V
Tire Size	18.00R25
Transmission and speeds
Max Speed - Forward	30.5 mph