Machine models

Grove GRT655 to RT875E specifications

Entries in this reference
Listing-entry count
12
Short answer

Grove GRT655 to RT875E: rough terrain cranes.

Selected configuration figures
ConfigurationDocumented field and quantity
GRT655
Gross Power
164 hp
Operating Weight
75,641 lb
GRT655L
Gross Power
164 hp
Operating Weight
75,641 lb
GRT880
Capacity class — December 2024 US product guide
80 US tons
GRT8100
Main boom — manufacturer GRT8100 reference
12–47 m (39.2–154.3 ft), five sections
RT700E
Gross Power
240.1 hp
Operating Weight
85,138 lb
RT740B
Gross Power
173 hp
Operating Weight
65,411 lb
RT750
Gross Power
199.9 hp
Operating Weight
80,700 lb
RT855B
Gross Power
249.5 hp
Operating Weight
92,667 lb
RT865B
Gross Power
256.2 hp
Operating Weight
107,039 lb
RT870
Gross Power
256.2 hp
Operating Weight
107,039 lb
RT875C
Gross Power
256.2 hp
Operating Weight
109,107 lb
RT875E
Gross Power
275 hp
Operating Weight
108,287 lb
GRT655 to RT875E specification matrix — Listing labels reported by the source
Publisher nameSource guideListing-entry countLabels named by the source
GroveGRT655 to RT875E12GRT655, GRT655L, GRT880, GRT8100, RT700E, RT740B, and 6 more
Boom
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Min Height @ Max Raise Angle114.3 ft114.3 ft41.2 ft41.2 ft36 ft34.78 ft35 ft37 ft40 ft40 ft40 ft41 ft
Max Height @ Max Raise Angle - No Jib125 ft125 ft72.41 ft72.41 ft110 ft109.91 ft110 ft115 ft125 ft125 ft125 ft128 ft
Max Elevating Angle80 degrees80 degrees80 degrees80 degrees78 degrees78 degrees75 degrees78 degrees78 degrees78 degrees78 degrees78 degrees
Number Of Sections444444444444
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT750RT855BRT865BRT870RT875CRT875E
Max Lift Capacity110,000 lb110,000 lb110,000 lb110,000 lb100,000 lb100,000 lb110,000 lb130,000 lb140,000 lb150,000 lb150,000 lb
SpecificationGRT880GRT8100RT700ERT750RT855BRT865BRT870RT875CRT875E
Min Operating Radius20 ft20 ft10 ft10 ft10 ft10 ft10 ft10 ft10 ft
Max Operating Radius30 ft30 ft100 ft100 ft105 ft110 ft110 ft110 ft120 ft
SpecificationRT700ERT750RT855BRT865BRT870RT875CRT875E
Swing Speed2.5 rpm2.6 rpm2 rpm2 rpm2 rpm2 rpm2 rpm
Dimensions and weight
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Transport Length41.96 ft41.96 ft49.59 ft49.59 ft44.22 ft41.96 ft43.59 ft44.48 ft47.07 ft47.07 ft47.07 ft1.81 ft
Transport Width9.16 ft9.16 ft10.95 ft10.95 ft10.91 ft9.84 ft10.88 ft10.88 ft10.96 ft10.96 ft10.96 ft10.96 ft
Transport Height11.42 ft11.42 ft12.29 ft12.29 ft11.9 ft11.21 ft12.13 ft12.7 ft13.05 ft13.05 ft13.05 ft12.33 ft
Wheelbase150 in150 in100.16 in100.16 in13.34 in150 in12.5 in13.34 in13.34 in13.34 in13.34 in13.84 in
Width W/ Outriggers Extended22.34 ft22.34 ft24.01 ft24.01 ft23.34 ft24 ft23.34 ft26.01 ft26.55 ft26.55 ft24 ft24 ft
SpecificationGRT655GRT655LRT740BRT750RT855BRT865BRT870RT875CRT875E
Ground Clearance1.55 ft1.55 ft1.3 ft1.54 ft1.2 ft1.77 ft1.77 ft1.18 ft1.67 ft
SpecificationGRT655GRT655LGRT880GRT8100
Gradeability75.2 %75.2 %70 %70 %
SpecificationRT700ERT750RT855BRT865BRT870RT875CRT875E
Carrier/Base Length26.4 ft25.68 ft28.26 ft28.26 ft28.26 ft28.26 ft28.12 ft
SpecificationRT740BRT750RT855BRT865BRT870RT875C
Upper Structure Tail Swing Radius13.42 ft13.67 ft14.05 ft14.05 ft14.05 ft14.04 ft
Engine
SpecificationGRT655GRT655LGRT880GRT8100
Emissions CertificationTier 4FTier 4FTier 4FTier 4F
Cylinders6666
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Engine MakeCumminsCumminsCumminsCumminsCumminsCumminsCumminsCumminsCumminsCumminsCumminsCummins
Engine ModelQSB6QSB6QSB6QSB6QSB 6.7LB5.9 173 C316BTA 5.9L6CTA 8.36CTA 8.3L6CTA 8.3L6CTA 8.3LQSB 6.7L
Gross Power164 hp164 hp275 hp275 hp240.1 hp173 hp199.9 hp249.5 hp256.2 hp256.2 hp256.2 hp275 hp
Power Measured @2,300 rpm2,300 rpm2,500 rpm2,500 rpm2,500 rpm2,500 rpm2,500 rpm2,200 rpm2,500 rpm2,500 rpm2,500 rpm2,500 rpm
Max Torque540 lb-ft540 lb-ft730.2 lb-ft730.2 lb-ft728 lb-ft486.8 lb-ft600.4 lb-ft794.4 lb-ft649.8 lb-ft649.8 lb-ft649.8 lb-ft728 lb-ft
Torque Measured @1,500 rpm1,500 rpm1,500 rpm1,500 rpm1,500 rpm1,500 rpm1,500 rpm1,800 rpm1,800 rpm1,800 rpm1,800 rpm1,500 rpm
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT750RT855BRT865BRT870RT875CRT875E
Displacement427.2 cu in427.2 cu in427.2 cu in427.2 cu in408.9 cu in360.1 cu in506.5 cu in506.5 cu in506.5 cu in506.5 cu in408.9 cu in
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT750RT855BRT865BRT870RT875C
AspirationTurbo-chargedTurbo-chargedTurbo-chargedTurbo-chargedturbochargedturbochargedturbochargedturbochargedturbochargedturbocharged
SpecificationRT700ERT750RT855BRT865BRT870RT875CRT875E
Number Of Cylinders6666666
Operational
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Operating Weight75,641 lb75,641 lb90,670 lb90,670 lb85,138 lb65,411 lb80,700 lb92,667 lb107,039 lb107,039 lb109,107 lb108,287 lb
Fuel Capacity64.5 gal64.5 gal82.5 gal82.5 gal72.2 gal60 gal60 gal80.1 gal80.1 gal80.1 gal80.1 gal72 gal
Tire Size23.5 x 25 – 24 Bias ply rating23.5 x 25 – 24 Bias ply rating23.5 x 25 – 24 Bias ply rating23.5 x 25 – 24 Bias ply rating29.5x25-28PR18.00 X 25 - 32 PR29.5X25-28PR29.5x25-28PR33.25X29-32PR33.25X29-32PR33.25X29-32PR29.5x25-34
SpecificationRT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Hydraulic System Fluid Capacity132.1 gal99.9 gal154 gal200 gal200 gal200 gal200 gal262.9 gal
Operating Voltage12 V24 V12 V24 V24 V24 V24 V12 V
Transmission and speeds
SpecificationGRT655GRT655LGRT880GRT8100RT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Transmission TypeRangeshiftRangeshiftRangeshiftRangeshiftSpicer powershiftFull powershiftfull powershiftfull powershiftfull powershiftfull powershiftfull powershiftfull rangeshift
Number Of Forward Gears666666666666
Number Of Reverse Gears666663666666
SpecificationGRT655GRT655LGRT880GRT8100RT855BRT865B
Max Speed18.8 mph18.8 mph24.1 mph24.1 mph25 mph25 mph
SpecificationRT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Max Speed - Forward23 mph18.7 mph20.4 mph24.9 mph24.9 mph24.9 mph24.9 mph21.8 mph
SpecificationRT700E
Max Speed - Reverse23 mph
Swing Mechanism
SpecificationGRT655GRT655LGRT880GRT8100
Swing Speed1.7 rpm1.7 rpm2 rpm2 rpm
Weights
SpecificationGRT655GRT655LGRT880GRT8100
Counterweight12,300 lb12,300 lb22,000 lb22,000 lb
Variants — Source comparison annotation
Source guideDiffering-field count reported
GRT655 to RT875E38
Ratios
FigureGRT655GRT655LGRT880GRT8100RT700ERT740BRT750RT855BRT865BRT870RT875CRT875E
Engine horsepower per 1,000 lb of weight2.22.23.03.02.82.62.52.72.42.42.32.5
Fuel tank per engine horsepower0.39 gal0.39 gal0.30 gal0.30 gal0.30 gal0.35 gal0.30 gal0.32 gal0.31 gal0.31 gal0.31 gal0.26 gal

Grove GRT655 to RT875E: rough terrain crane

GRT655 to RT875E: forum references — Forum-title search
Forum indexEquipment class queriedNames in the searchMatching titles
Heavy Equipment Forumsrough terrain craneGrove and the RT855 line that the RT700E, RT855B 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 instead2
Used market for the GRT655 to RT875E — Dated first-page listing snapshot
Observation dateListing sourceEquipment searchListings
2026-09-24MachineryTraderGrove rough terrain crane74
ModelListedModel yearsLowest askingHighest askingMedian askingMedian hours
GRT655182018 to 2026$360,000$495,000$427,5001,338
GRT655L142019 to 2026$360,000$495,000$427,5001,333
GRT880142017 to 2024$245,000$895,000$890,0004,245
GRT810082016 to 2023$450,000$545,000$525,0008,910
RT700E142002 to 2011$112,000$175,000$154,500None shown
RT740B21989 to 1990$28,500$37,000$32,750None shown
RT75041999 to 2019$57,000$57,000$57,000None shown
GRT655 to RT875E: recall reference — Dated CPSC search
Search dateDatabaseNames queriedSearch result
2026-09-24U.S. Consumer Product Safety CommissionGrove together with the rough terrain crane GRT655, GRT655L, GRT880, GRT8100No matching recall in this search

Sources for this page

Evidence classDocument, classification and recorded date
Reference site
  • Reference site: Grove GRT655 — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove GRT655L — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove GRT880 — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove GRT8100 — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT700E — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT740B — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT750 — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT855B — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT865B — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT870 — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT875C — RitchieSpecs. Observed 2026-09-24.
Reference site
  • Reference site: Grove RT875E — RitchieSpecs. Observed 2026-09-24.
Forum threads
Used-market listings
Federal agency data

Grove GRT655 to RT875E: Configuration records

GRT655
SpecificationSource figure
Boom
Max Height @ Max Raise Angle - No Jib125 ft
Max Elevating Angle80 degrees
Max Lift Capacity110,000 lb
Number Of Sections4
Dimensions and weight
Transport Length41.96 ft
Transport Width9.16 ft
Transport Height11.42 ft
Wheelbase150 in
Width W/ Outriggers Extended22.34 ft
Ground Clearance1.55 ft
Gradeability75.2 %
Engine
Engine ModelQSB6
Gross Power164 hp
Max Torque540 lb-ft
Displacement427.2 cu in
AspirationTurbo-charged
Engine MakeCummins
Power Measured @2,300 rpm
Torque Measured @1,500 rpm
Emissions CertificationTier 4F
Cylinders6
Operational
Fuel Capacity64.5 gal
Tire Size23.5 x 25 – 24 Bias ply rating
Operating Weight75,641 lb
Transmission and speeds
Transmission TypeRangeshift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed18.8 mph
Weights
Counterweight12,300 lb
Additional specifications
Swing Speed1.7 rpm

Source

GRT655L
SpecificationSource figure
Boom
Max Height @ Max Raise Angle - No Jib125 ft
Max Elevating Angle80 degrees
Max Lift Capacity110,000 lb
Number Of Sections4
Dimensions and weight
Transport Length41.96 ft
Transport Width9.16 ft
Transport Height11.42 ft
Wheelbase150 in
Width W/ Outriggers Extended22.34 ft
Ground Clearance1.55 ft
Gradeability75.2 %
Engine
Engine ModelQSB6
Gross Power164 hp
Max Torque540 lb-ft
Displacement427.2 cu in
AspirationTurbo-charged
Engine MakeCummins
Power Measured @2,300 rpm
Torque Measured @1,500 rpm
Emissions CertificationTier 4F
Cylinders6
Operational
Fuel Capacity64.5 gal
Tire Size23.5 x 25 – 24 Bias ply rating
Operating Weight75,641 lb
Transmission and speeds
Transmission TypeRangeshift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed18.8 mph
Weights
Counterweight12,300 lb
Additional specifications
Swing Speed1.7 rpm

Source

GRT880
SpecificationSource figure
Specifications
Capacity class — December 2024 US product guide80 US tons

Source

GRT8100
SpecificationSource figure
Specifications
Main boom — manufacturer GRT8100 reference12–47 m (39.2–154.3 ft), five sections

Source

RT700E
SpecificationSource figure
Boom
Min Height @ Max Raise Angle36 ft
Max Height @ Max Raise Angle - No Jib110 ft
Min Operating Radius10 ft
Max Elevating Angle78 degrees
Max Operating Radius100 ft
Max Lift Capacity100,000 lb
Number Of Sections4
Dimensions and weight
Transport Length44.22 ft
Transport Width10.91 ft
Transport Height11.9 ft
Width W/ Outriggers Extended23.34 ft
Carrier/Base Length26.4 ft
Engine
Engine ModelQSB 6.7L
Gross Power240.1 hp
Max Torque728 lb-ft
Displacement408.9 cu in
Aspirationturbocharged
Number Of Cylinders6
Engine MakeCummins
Power Measured @2,500 rpm
Torque Measured @1,500 rpm
Operational
Fuel Capacity72.2 gal
Hydraulic System Fluid Capacity132.1 gal
Operating Voltage12 V
Tire Size29.5x25-28PR
Operating Weight85,138 lb
Transmission and speeds
Transmission TypeSpicer powershift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed - Forward23 mph
Max Speed - Reverse23 mph
Additional specifications
Swing Speed2.5 rpm

Source

RT740B
SpecificationSource figure
Boom
Min Height @ Max Raise Angle34.78 ft
Max Height @ Max Raise Angle - No Jib109.91 ft
Max Elevating Angle78 degrees
Number Of Sections4
Dimensions and weight
Transport Length41.96 ft
Transport Width9.84 ft
Transport Height11.21 ft
Wheelbase150 in
Width W/ Outriggers Extended24 ft
Ground Clearance1.3 ft
Upper Structure Tail Swing Radius13.42 ft
Engine
Engine ModelB5.9 173 C31
Gross Power173 hp
Max Torque486.8 lb-ft
Engine MakeCummins
Power Measured @2,500 rpm
Torque Measured @1,500 rpm
Operational
Fuel Capacity60 gal
Hydraulic System Fluid Capacity99.9 gal
Operating Voltage24 V
Tire Size18.00 X 25 - 32 PR
Operating Weight65,411 lb
Transmission and speeds
Transmission TypeFull powershift
Number Of Forward Gears6
Number Of Reverse Gears3
Max Speed - Forward18.7 mph

Source

RT750
SpecificationSource figure
Boom
Min Height @ Max Raise Angle35 ft
Max Height @ Max Raise Angle - No Jib110 ft
Min Operating Radius10 ft
Max Elevating Angle75 degrees
Max Operating Radius100 ft
Max Lift Capacity100,000 lb
Number Of Sections4
Dimensions and weight
Transport Length43.59 ft
Transport Width10.88 ft
Transport Height12.13 ft
Width W/ Outriggers Extended23.34 ft
Carrier/Base Length25.68 ft
Ground Clearance1.54 ft
Upper Structure Tail Swing Radius13.67 ft
Engine
Engine Model6BTA 5.9L
Gross Power199.9 hp
Max Torque600.4 lb-ft
Displacement360.1 cu in
Aspirationturbocharged
Number Of Cylinders6
Engine MakeCummins
Power Measured @2,500 rpm
Torque Measured @1,500 rpm
Operational
Fuel Capacity60 gal
Hydraulic System Fluid Capacity154 gal
Operating Voltage12 V
Tire Size29.5X25-28PR
Operating Weight80,700 lb
Transmission and speeds
Transmission Typefull powershift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed - Forward20.4 mph
Additional specifications
Swing Speed2.6 rpm

Source

RT855B
SpecificationSource figure
Boom
Min Height @ Max Raise Angle37 ft
Max Height @ Max Raise Angle - No Jib115 ft
Min Operating Radius10 ft
Max Elevating Angle78 degrees
Max Operating Radius105 ft
Max Lift Capacity110,000 lb
Number Of Sections4
Dimensions and weight
Transport Length44.48 ft
Transport Width10.88 ft
Transport Height12.7 ft
Width W/ Outriggers Extended26.01 ft
Carrier/Base Length28.26 ft
Ground Clearance1.2 ft
Upper Structure Tail Swing Radius14.05 ft
Engine
Engine Model6CTA 8.3
Gross Power249.5 hp
Max Torque794.4 lb-ft
Displacement506.5 cu in
Aspirationturbocharged
Number Of Cylinders6
Engine MakeCummins
Power Measured @2,200 rpm
Torque Measured @1,800 rpm
Operational
Fuel Capacity80.1 gal
Hydraulic System Fluid Capacity200 gal
Operating Voltage24 V
Tire Size29.5x25-28PR
Operating Weight92,667 lb
Transmission and speeds
Transmission Typefull powershift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed - Forward24.9 mph
Max Speed25 mph
Additional specifications
Swing Speed2 rpm

Source

RT865B
SpecificationSource figure
Boom
Min Height @ Max Raise Angle40 ft
Max Height @ Max Raise Angle - No Jib125 ft
Min Operating Radius10 ft
Max Elevating Angle78 degrees
Max Operating Radius110 ft
Max Lift Capacity130,000 lb
Number Of Sections4
Dimensions and weight
Transport Length47.07 ft
Transport Width10.96 ft
Transport Height13.05 ft
Width W/ Outriggers Extended26.55 ft
Carrier/Base Length28.26 ft
Ground Clearance1.77 ft
Upper Structure Tail Swing Radius14.05 ft
Engine
Engine Model6CTA 8.3L
Gross Power256.2 hp
Max Torque649.8 lb-ft
Displacement506.5 cu in
Aspirationturbocharged
Number Of Cylinders6
Engine MakeCummins
Power Measured @2,500 rpm
Torque Measured @1,800 rpm
Operational
Fuel Capacity80.1 gal
Hydraulic System Fluid Capacity200 gal
Operating Voltage24 V
Tire Size33.25X29-32PR
Operating Weight107,039 lb
Transmission and speeds
Transmission Typefull powershift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed - Forward24.9 mph
Max Speed25 mph
Additional specifications
Swing Speed2 rpm

Source

RT870
SpecificationSource figure
Boom
Min Height @ Max Raise Angle40 ft
Max Height @ Max Raise Angle - No Jib125 ft
Min Operating Radius10 ft
Max Elevating Angle78 degrees
Max Operating Radius110 ft
Max Lift Capacity140,000 lb
Number Of Sections4
Dimensions and weight
Transport Length47.07 ft
Transport Width10.96 ft
Transport Height13.05 ft
Width W/ Outriggers Extended26.55 ft
Carrier/Base Length28.26 ft
Ground Clearance1.77 ft
Upper Structure Tail Swing Radius14.05 ft
Engine
Engine Model6CTA 8.3L
Gross Power256.2 hp
Max Torque649.8 lb-ft
Displacement506.5 cu in
Aspirationturbocharged
Number Of Cylinders6
Engine MakeCummins
Power Measured @2,500 rpm
Torque Measured @1,800 rpm
Operational
Fuel Capacity80.1 gal
Hydraulic System Fluid Capacity200 gal
Operating Voltage24 V
Tire Size33.25X29-32PR
Operating Weight107,039 lb
Transmission and speeds
Transmission Typefull powershift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed - Forward24.9 mph
Additional specifications
Swing Speed2 rpm

Source

RT875C
SpecificationSource figure
Boom
Min Height @ Max Raise Angle40 ft
Max Height @ Max Raise Angle - No Jib125 ft
Min Operating Radius10 ft
Max Elevating Angle78 degrees
Max Operating Radius110 ft
Max Lift Capacity150,000 lb
Number Of Sections4
Dimensions and weight
Transport Length47.07 ft
Transport Width10.96 ft
Transport Height13.05 ft
Width W/ Outriggers Extended24 ft
Carrier/Base Length28.26 ft
Ground Clearance1.18 ft
Upper Structure Tail Swing Radius14.04 ft
Engine
Engine Model6CTA 8.3L
Gross Power256.2 hp
Max Torque649.8 lb-ft
Displacement506.5 cu in
Aspirationturbocharged
Number Of Cylinders6
Engine MakeCummins
Power Measured @2,500 rpm
Torque Measured @1,800 rpm
Operational
Fuel Capacity80.1 gal
Hydraulic System Fluid Capacity200 gal
Operating Voltage24 V
Tire Size33.25X29-32PR
Operating Weight109,107 lb
Transmission and speeds
Transmission Typefull powershift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed - Forward24.9 mph
Additional specifications
Swing Speed2 rpm

Source

RT875E
SpecificationSource figure
Boom
Min Height @ Max Raise Angle41 ft
Max Height @ Max Raise Angle - No Jib128 ft
Min Operating Radius10 ft
Max Elevating Angle78 degrees
Max Operating Radius120 ft
Max Lift Capacity150,000 lb
Number Of Sections4
Dimensions and weight
Transport Length1.81 ft
Transport Width10.96 ft
Transport Height12.33 ft
Width W/ Outriggers Extended24 ft
Carrier/Base Length28.12 ft
Ground Clearance1.67 ft
Engine
Engine ModelQSB 6.7L
Gross Power275 hp
Max Torque728 lb-ft
Displacement408.9 cu in
Number Of Cylinders6
Engine MakeCummins
Power Measured @2,500 rpm
Torque Measured @1,500 rpm
Operational
Fuel Capacity72 gal
Hydraulic System Fluid Capacity262.9 gal
Operating Voltage12 V
Tire Size29.5x25-34
Operating Weight108,287 lb
Transmission and speeds
Transmission Typefull rangeshift
Number Of Forward Gears6
Number Of Reverse Gears6
Max Speed - Forward21.8 mph
Additional specifications
Swing Speed2 rpm

Source

More in Grove: RT528C–RT875CC, RT750E–RT990, RT38/7 related models.