Machine models

Kobelco RK250 and RK250-II specifications

Entries in this reference
Listing-entry count
2

Short answer

Kobelco RK250 and RK250-II: rough terrain cranes.

Selected configuration figures
Configuration	Documented field and quantity
RK250	Gross Power 211.9 hp Operating Weight 58,412 lb
RK250-II	Gross Power 212 hp Operating Weight 57,960 lb

RK250 and RK250-II specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Kobelco	RK250 and RK250-II	2	RK250 and RK250-II

Boom
Specification	RK250	RK250-II
Min Height @ Max Raise Angle	30.52 ft	31.3 ft
Max Height @ Max Raise Angle - No Jib	100.4 ft	100.2 ft
Max Elevating Angle	82 degrees	82 degrees
Number Of Sections	4	4
Swing Speed	3.06 rpm	3.3 rpm

Specification	RK250-II
Max Lift Capacity	55,116 lb

Dimensions and weight
Specification	RK250	RK250-II
Transport Length	36.13 ft	36.54 ft
Transport Width	8.17 ft	7.26 ft
Transport Height	11.32 ft	11.32 ft
Wheelbase	145.67 in	135.83 in
Width W/ Outriggers Extended	20.67 ft	20.67 ft
Upper Structure Tail Swing Radius	9.95 ft	9.95 ft

Specification	RK250
Displacement	460.5 cu in

Specification	RK250
Fuel Capacity	79.3 gal
Hydraulic System Fluid Capacity	97.8 gal

Transmission and speeds
Specification	RK250
Number Of Forward Gears	3
Number Of Reverse Gears	1

Specification	RK250	RK250-II
Max Speed - Forward	31.1 mph	31.1 mph

Variants — Source comparison annotation
Source guide	Differing-field count reported
RK250 and RK250-II	18

Ratios
Figure	RK250	RK250-II
Engine horsepower per 1,000 lb of weight	3.6	3.7

Figure	RK250
Fuel tank per engine horsepower	0.37 gal

Kobelco RK250 and RK250-II: rough terrain crane

RK250 and RK250-II: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	rough terrain crane	Kobelco and the RK250 line that the RK250, RK250-II belongs to (no title names the exact model). That is too few titles to say what owners mostly ask about, so the most recent are listed instead	2

Used market for the RK250 and RK250-II — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Kobelco rough terrain crane	9

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
RK250	9	1988 to 2005	$37,000	$42,429	$39,715	None shown

RK250 and RK250-II: 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 RK250, RK250-II	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Kobelco RK250 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Kobelco RK250-II — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Kobelco RK250 and RK250-II — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Kobelco RK250 — 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.

RK250

Specification	Source figure
Boom
Min Height @ Max Raise Angle	30.52 ft
Max Height @ Max Raise Angle - No Jib	100.4 ft
Max Elevating Angle	82 degrees
Number Of Sections	4
Swing Speed	3.06 rpm
Dimensions and weight
Transport Length	36.13 ft
Transport Width	8.17 ft
Transport Height	11.32 ft
Wheelbase	145.67 in
Width W/ Outriggers Extended	20.67 ft
Upper Structure Tail Swing Radius	9.95 ft
Engine
Engine Make	Mitsubishi
Engine Model	6D16TUA
Gross Power	211.9 hp
Power Measured @	2,800 rpm
Max Torque	520.8 lb-ft
Torque Measured @	1,250 rpm
Displacement	460.5 cu in
Operational
Operating Weight	58,412 lb
Fuel Capacity	79.3 gal
Hydraulic System Fluid Capacity	97.8 gal
Operating Voltage	24 V
Tire Size	445/95R25 177E
Transmission and speeds
Number Of Forward Gears	3
Number Of Reverse Gears	1
Max Speed - Forward	31.1 mph

RK250-II

Specification	Source figure
Boom
Min Height @ Max Raise Angle	31.3 ft
Max Height @ Max Raise Angle - No Jib	100.2 ft
Max Elevating Angle	82 degrees
Number Of Sections	4
Swing Speed	3.3 rpm
Max Lift Capacity	55,116 lb
Dimensions and weight
Transport Length	36.54 ft
Transport Width	7.26 ft
Transport Height	11.32 ft
Wheelbase	135.83 in
Width W/ Outriggers Extended	20.67 ft
Upper Structure Tail Swing Radius	9.95 ft
Engine
Engine Make	Mitsubishi
Engine Model	6D16T
Gross Power	212 hp
Power Measured @	2,800 rpm
Max Torque	463 lb-ft
Torque Measured @	1,600 rpm
Operational
Operating Weight	57,960 lb
Operating Voltage	24 V
Tire Size	16.00-25-28PR
Transmission and speeds
Max Speed - Forward	31.1 mph

Compare Kobelco RK250, RK250-II

Boom
Specification	RK250	RK250-II
Min Height @ Max Raise Angle	30.52 ft	31.3 ft
Max Height @ Max Raise Angle - No Jib	100.4 ft	100.2 ft
Max Elevating Angle	82 degrees	82 degrees
Number Of Sections	4	4
Swing Speed	3.06 rpm	3.3 rpm

Dimensions and weight
Specification	RK250	RK250-II
Transport Length	36.13 ft	36.54 ft
Transport Width	8.17 ft	7.26 ft
Transport Height	11.32 ft	11.32 ft
Wheelbase	145.67 in	135.83 in
Width W/ Outriggers Extended	20.67 ft	20.67 ft
Upper Structure Tail Swing Radius	9.95 ft	9.95 ft

Transmission and speeds
Specification	RK250	RK250-II
Max Speed - Forward	31.1 mph	31.1 mph