- Load Height - Std: 6.7 ft / 2040 mm
- Reach From Swivel - Std: 12.14 ft / 3700 mm
- Dig Depth - Std: 9.03 ft / 2750 mm
- Transport Length: 15.52 ft / 4730 mm
Published dimensions and weight
Kubota R420S
The Kubota R420S pairs the D1503-TRP-1 engine (39.5 hp) with an operating weight near 3.4 t.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight 4wd7517.8 lb3410 kg
03Selected published values24
Loader backhoes are commonly used for digging, trenching, loading and general site work with one carrier. Published rows for Kubota R420S include published bucket capacity of 0.53 yd3 / 0.4 m3, published engine power of 39.5 hp / 29.4 kw, published hydraulic flow of 11.1 gal/min / 42 L/min. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Load Height - Std” field (6.7 ft / 2040 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Reach From Swivel - Std” field (12.14 ft / 3700 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Dig Depth - Std” field (9.03 ft / 2750 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Backhoe
Load Height - Std6.7 ft2040 mm
Reach From Swivel - Std12.14 ft3700 mm
Dig Depth - Std9.03 ft2750 mm
Dimensions
Transport Length15.52 ft4730 mm
Transport Width5.39 ft1640 mm
Transport Height8.16 ft2485 mm
Loader
Clearance At Max Dump Height7.27 ft2215 mm
Bucket Width59.85 in1520 mm
Bucket Capacity0.53 yd30.4 m3
Engine
Number Of Cylinders33
Engine Make23342334
Engine ModelD1503-TRP-1D1503-TRP-1
Gross Power39.5 hp29.4 kw
Power Measured @2600 rpm2600 rpm
Displacement91.6 cu in1.5 L
Operational
Operating Weight 4wd7517.8 lb3410 kg
Turning Radius10.2 ft3085 mm
Transmission
Transmission TypeLSTLST
Number Of Forward Gears22
Number Of Reverse Gears22
Max Speed - Forward12.5 mph20 km/h
Hydraulic
Pump TypeGearGear
Pump Flow Capacity11.1 gal/min42 L/min
Relief Valve Pressure2958 psi20394.7 kPa
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Manufacturer-published specifications.