Machine models

Grove RT625 and RT635 specifications

Entries in this reference
Listing-entry count
2

Short answer

Grove RT625 and RT635: rough terrain cranes.

Selected configuration figures
Configuration	Documented field and quantity
RT625	Net Power 156 hp Operating Weight 54,120 lb
RT635	Gross Power 159.6 hp Operating Weight 57,467 lb

RT625 and RT635 specification matrix — Listing labels reported by the source
Publisher name	Source guide	Listing-entry count	Labels named by the source
Grove	RT625 and RT635	2	RT625 and RT635

Boom
Specification	RT625	RT635
Min Height @ Max Raise Angle	32 ft	32 ft
Max Height @ Max Raise Angle - No Jib	80 ft	106 ft
Max Elevating Angle	75 degrees	75 degrees
Number Of Sections	3	3
Max Lift Capacity	50,000 lb	70,000 lb
Swing Speed	2.6 rpm	2.6 rpm

Specification	RT625
Min Operating Radius	12 ft
Max Operating Radius	100 ft

Dimensions and weight
Specification	RT625	RT635
Transport Length	39.96 ft	40.37 ft
Transport Width	8.02 ft	8 ft
Transport Height	11.63 ft	11.79 ft
Wheelbase	12.01 in	12 in
Width W/ Outriggers Extended	20 ft	20 ft
Carrier/Base Length	24.51 ft	24.16 ft
Upper Structure Tail Swing Radius	11.49 ft	11.49 ft

Specification	RT625
Ground Clearance	1.34 ft

Engine
Specification	RT625
Number Of Cylinders	8
Net Power	156 hp

Specification	RT635
Gross Power	159.6 hp

Operational
Specification	RT625	RT635
Operating Weight	54,120 lb	57,467 lb
Fuel Capacity	60 gal	60 gal
Hydraulic System Fluid Capacity	137 gal	137 gal
Operating Voltage	24 V	12 V
Alternator Supplied Amperage	90 amps	90 amps
Tire Size	16.00x25 28PR	23.5X25-24PR

Specification	RT625
Cooling System Fluid Capacity	10.6 gal

Transmission and speeds
Specification	RT625	RT635
Transmission Type	remote mounted full powershift	remote mounted powershift
Number Of Forward Gears	6	6
Number Of Reverse Gears	6	6
Max Speed - Forward	23.2 mph	27.6 mph

Variants — Source comparison annotation
Source guide	Differing-field count reported
RT625 and RT635	28

Ratios
Figure	RT625	RT635
Engine horsepower per 1,000 lb of weight	2.9	2.8
Fuel tank per engine horsepower	0.38 gal	0.38 gal

Grove RT625 and RT635: rough terrain crane

RT625 and RT635: forum references — Forum-title search
Forum index	Equipment class queried	Names in the search	Matching titles
Heavy Equipment Forums	rough terrain crane	Grove and the RT635. That is too few titles to say what owners mostly ask about, so the most recent are listed instead	4

RT 635 Grove (Heavy Equipment Forums, 2015-07-27)
In Search Of A Boom For 1986 Grove RT 635 (Heavy Equipment Forums, 2015-03-06)
1986 Grove RT 635 Crane (Heavy Equipment Forums, 2015-02-26)
Looking For Info On The Grove Rt635 AT The Local 3 Training Center (Heavy Equipment Forums, 2014-10-16)

Used market for the RT625 and RT635 — Dated first-page listing snapshot
Observation date	Listing source	Equipment search	Listings
2026-09-24	MachineryTrader	Grove rough terrain crane	6

Model	Listed	Model years	Lowest asking	Highest asking	Median asking	Median hours
RT625	1	Not stated	$19,000	$19,000	$19,000	None shown
RT635	5	1989 to 1999	$39,000	$79,000	$58,500	6,854

RT625 and RT635: recall reference — Dated CPSC search
Search date	Database	Names queried	Search result
2026-09-24	U.S. Consumer Product Safety Commission	Grove together with the rough terrain crane RT625, RT635	No matching recall in this search

Sources for this page
Evidence class	Document, classification and recorded date
Reference site	Reference site: Grove RT625 — RitchieSpecs. Observed 2026-09-24.
Reference site	Reference site: Grove RT635 — RitchieSpecs. Observed 2026-09-24.
Forum threads	Forum threads: Heavy Equipment Forums thread index for Grove RT625 and RT635 — Heavy Equipment Forums. Observed 2026-09-24.
Used-market listings	Used-market listings: MachineryTrader listings for Grove RT625 — MachineryTrader. Observed 2026-09-24.
Federal agency data	Federal agency data: Recall database search for Grove — U.S. Consumer Product Safety Commission. Observed 2026-09-24.

Recorded observations — Forum-title snapshot
Observation field	Recorded value
Title count	4
Forum indexes	Heavy Equipment Forums
Search wording	the RT625 and RT635 rough terrain crane
Latest title quoted by the reference	RT 635 Grove

RT625

Specification	Source figure
Boom
Min Height @ Max Raise Angle	32 ft
Max Height @ Max Raise Angle - No Jib	80 ft
Min Operating Radius	12 ft
Max Elevating Angle	75 degrees
Max Operating Radius	100 ft
Number Of Sections	3
Max Lift Capacity	50,000 lb
Dimensions and weight
Transport Length	39.96 ft
Transport Width	8.02 ft
Transport Height	11.63 ft
Engine
Number Of Cylinders	8
Engine Model	V504C
Power Measured @	2,500 rpm
Max Torque	339 lb-ft
Torque Measured @	1,900 rpm
Aspiration	natural
Displacement	504 cu in
Engine Make	Cummins Diesel
Net Power	156 hp
Bore	4.7 in
Stroke	3.8 in
Operational
Operating Weight	54,120 lb
Fuel Capacity	60 gal
Hydraulic System Fluid Capacity	137 gal
Operating Voltage	24 V
Tire Size	16.00x25 28PR
Cooling System Fluid Capacity	10.6 gal
Alternator Supplied Amperage	90 amps
Transmission and speeds
Transmission Type	remote mounted full powershift
Number Of Forward Gears	6
Number Of Reverse Gears	6
Max Speed - Forward	23.2 mph
Additional specifications
Swing Speed	2.6 rpm
Ground Clearance	1.34 ft
Width W/ Outriggers Extended	20 ft
Carrier/Base Length	24.51 ft
Upper Structure Tail Swing Radius	11.49 ft

RT635

Specification	Source figure
Boom
Min Height @ Max Raise Angle	32 ft
Max Height @ Max Raise Angle - No Jib	106 ft
Max Elevating Angle	75 degrees
Number Of Sections	3
Max Lift Capacity	70,000 lb
Dimensions and weight
Transport Length	40.37 ft
Transport Width	8 ft
Transport Height	11.79 ft
Engine
Engine Model	8.2L
Gross Power	159.6 hp
Power Measured @	2,800 rpm
Max Torque	324 lb-ft
Torque Measured @	1,200 rpm
Aspiration	naturally aspirated
Displacement	500 cu in
Engine Make	Detrolt Diesel
Bore	4.3 in
Stroke	4.5 in
Operational
Operating Weight	57,467 lb
Fuel Capacity	60 gal
Hydraulic System Fluid Capacity	137 gal
Operating Voltage	12 V
Tire Size	23.5X25-24PR
Alternator Supplied Amperage	90 amps
Transmission and speeds
Transmission Type	remote mounted powershift
Number Of Forward Gears	6
Number Of Reverse Gears	6
Max Speed - Forward	27.6 mph
Additional specifications
Swing Speed	2.6 rpm
Width W/ Outriggers Extended	20 ft
Carrier/Base Length	24.16 ft
Upper Structure Tail Swing Radius	11.49 ft

Compare Grove RT625, RT635

Boom
Specification	RT625	RT635
Min Height @ Max Raise Angle	32 ft	32 ft
Max Height @ Max Raise Angle - No Jib	80 ft	106 ft
Max Elevating Angle	75 degrees	75 degrees
Number Of Sections	3	3
Max Lift Capacity	50,000 lb	70,000 lb
Swing Speed	2.6 rpm	2.6 rpm

Dimensions and weight
Specification	RT625	RT635
Transport Length	39.96 ft	40.37 ft
Transport Width	8.02 ft	8 ft
Transport Height	11.63 ft	11.79 ft
Width W/ Outriggers Extended	20 ft	20 ft
Carrier/Base Length	24.51 ft	24.16 ft
Upper Structure Tail Swing Radius	11.49 ft	11.49 ft

Operational
Specification	RT625	RT635
Operating Weight	54,120 lb	57,467 lb
Fuel Capacity	60 gal	60 gal
Hydraulic System Fluid Capacity	137 gal	137 gal
Operating Voltage	24 V	12 V
Alternator Supplied Amperage	90 amps	90 amps
Tire Size	16.00x25 28PR	23.5X25-24PR

Transmission and speeds
Specification	RT625	RT635
Transmission Type	remote mounted full powershift	remote mounted powershift
Number Of Forward Gears	6	6
Number Of Reverse Gears	6	6
Max Speed - Forward	23.2 mph	27.6 mph