Kubota R640

Configuration: Canopy, wide 405/70R18 tires, SSL-type quick coupler, standard 0.94 yd³ bucket; Tier 4 Final

Dimension diagram

A	Overall length	5,480 mm
B	Overall height	2,480 mm
C	Wheelbase	2,000 mm
D	Ground clearance	340 mm
E	Overall width	1,805 mm
F	Track gauge / tread	1,400 mm

Weights

Spec	Value	Source
Operating weight	≈ 5,070 kg	Published: 11,177 lb Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Canopy, incl. 165 lb operator (5,070 kg); cab 11,563 lb (5,245 kg).

Dimensions

Spec	Value	Source
Overall length	5,480 mm	Published: 5,480 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Overall length with bucket (18' 0")
Overall width	1,805 mm	Published: 1,805 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Overall width outside tires / without bucket (5' 11"); with bucket 1,918 mm.
Overall height	2,480 mm	Published: 2,480 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Overall height, canopy (8' 2"); cab 2,500 mm.
Wheelbase	2,000 mm	Published: 2,000 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 6' 7" (2,000 mm); one wheelbase value is printed between the R540/R640 columns.
Track gauge / tread	1,400 mm	Published: 1,400 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Tread.
Ground clearance	340 mm	Published: 340 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25
Turning radius	3,664 mm	Published: 3,664 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Turning radius track circle; loader clearance circle 4,221 mm.

Undercarriage / tires

Spec	Value	Source
Undercarriage type	Wheeled, articulated	Published: Wheeled, articulated Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Articulation angle 40° each direction; rear frame oscillation ±8°.
Number of axles	2	Published: 2 Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25
Wheels (count)	4	Published: 4 Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25
Tire size	405/70R18	Published: 405/70R18 Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Wide tire (dimensions are based on wide tires).

Ground pressure

Spec	Value	Source
Ground pressure	Not published	Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Not published on the spec sheet.

Axle loads

Spec	Value	Source
Axle load, front (unladen/operating)	Not published	Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Not published on the spec sheet.
Axle load, rear (unladen/operating)	Not published	Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Not published on the spec sheet.

Engine

Spec	Value	Source
Engine model	Kubota V2607-CR-TE5-WL	Published: Kubota V2607-CR-TE5-WL Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Tier 4 Final.
Net power	≈ 45.6 kW	Published: 61.1 hp Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 SAE J1349 net at 2,400 rpm (45.6 kW).
Gross power	≈ 47.9 kW	Published: 64.3 hp Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 SAE J1995 gross at 2,400 rpm (48.0 kW).
Displacement	≈ 2.62 L	Published: 160 cu in Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 2,615 cc.
Rated speed	2,400 rpm	Published: 2,400 rpm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25

Hydraulics

Spec	Value	Source
Pump / aux flow	Not published	Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Main/working pump flow not published; only auxiliary hydraulic flow 17.8 gpm (67.2 L/min) is printed (README convention: wheel loaders store total main pump flow).
System / relief pressure	Not published	Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Main relief not published; auxiliary hydraulic pressure 2,973 psi (20.5 MPa) printed.

Performance

Spec	Value	Source
Max travel speed	≈ 20 km/h	Published: 12.4 mph Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Travel speed 0–12.4 mph (0–20.0 km/h), hydrostatic transmission; printed once across the R540/R640 columns.
Bucket capacity	≈ 0.72 m³	Published: 0.94 yd³ Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Standard bucket capacity.
Tipping load	≈ 2,960 kg	Published: 6,526 lb Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Static tipping load at full turn with bucket, canopy (2,960 kg); cab 6,812 lb. Straight 7,452 / 7,760 lb. Operating capacity with bucket (50%) 3,263 lb (1,480 kg) canopy / 3,406 lb cab.
Breakout / digging force	37.9 kN	Published: 37.9 kN Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 8,526 lbs as printed.
Dump height / clearance	2,385 mm	Published: 2,385 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Dumping clearance (H), 7' 10".
Lift / hinge-pin height	3,255 mm	Published: 3,255 mm Kubota R540/R640 specification sheet, Cat. No.8968C-01-US '22-06, ©2022 Kubota Corporation (assets.kubotacore.com, official Kubota asset host). Retrieved 2026-10-25 Max. hinge pin height (J).

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