Maneuverability and power sum up the incredible performance of the Kubota wheel loaders.

R420S & R520S Wheel Loaders - Kubota’s rugged and powerful articulated wheel loaders are designed to provide a superior level of operating performance for a variety of demanding applications. Powered by Kubota E-TVCS diesel engines, these solidly-built wheel loaders are ideal for most construction, industrial, commercial, recycling and agricultural applications.

Easy to operate, an electric shuttle shift lever allows on-the-go, clutchless directional changes through a fully automatic load sensing transmission that easily maintains optimum loader performance and a full range of speed and torque variations to best suit load conditions.

When operating in confined areas or on uneven terrain, standard features like 4WD, limited slip differential and rear frame oscillation provide excellent traction and stability. The travel speed limiter switch, located in the loader control lever, reduces travel speed while maintaining full hydraulic power to the loader.

Front and rear auxiliary hydraulics provide power for a variety of quick-coupling attachments. Both the hydraulic valve and control lever are built-in for operating hydraulically operated attachments.

The Kubota wheel loaders offer better visibility, more power, superior productivity and a variety of state-of-the-art features to efficiently accomplish more tasks in less time with less operator effort.

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Engine

Model R420S R520S
Make and Model Kubota D1503-T-RP-1 Kubota V2203-RP
Type E-TVCS Liquid-cooled, 3 cyl. diesel E-TVCS Liquid-cooled, 4 cyl. diesel
Horsepower 43 @ 2600 rpm 49 @ 2600 rpm
Displacement (cu. in.) 91.4 134.1
Turbocharger Yes No

Specifications subject to change without notice.

Dimensions

Model R420S R520S
Overall Height Top of Unit (in.) ROPS - 98.8"   Cab - 103.5" ROPS - 101.6"   Cab - 106.5"
Overall Length w/Bucket & Counterweight (in.) 165.8" 184.5"
Overall Width w/o Bucket (in.) 59.8" 69.3"
Overall Operating Height Bucket Raised (in.) 137.8" 165.0"
Height to Bucket Hinge Pin Raised (in.) 9' 2.7" 10' 10.3"
Dump Angle Fully Raised 43 degrees 41 degrees
Dump Height (in.) 7' 4.4" 8' 9.2"
Reach Fully Raised (in.) 30.8" 33.9"
Digging Depth (in.) 2.6" 1.8"
Wheelbase (in.) 69.9" 76.8"
Ground Clearance (in.) 11.3" 12.8"
Tread (in.) 46.5" 53.5"
Angle of Articulation (Each Way) 40 degrees
Frame Oscillation (Each Way) 8 degrees

Specifications subject to change without notice.

Lifting Specifications

Model R420S R520S
Tipping Load Straight w/Bucket (lbs.) 4585 5190
Tipping Load Straight w/Pallet Forks (lbs.) 3300 3870
Tipping Load Full Turn w/Bucket (lbs.) 3850 4410
Tipping Load Full Turn w/Pallet Forks (lbs.) 2800 3250
Operating Load w/Bucket (lbs.) 1925 2205
Operating Load w/Pallet Forks (lbs.) 1400 1625
Standard Counterweight (lbs.) 1500
Optional Counterweight (lbs.) n/a 2020

Specifications subject to change without notice.

Operational Specifications

Model R420S R520S
Standard Bucket Capacity .5 cubic yards .75 cubic yards
Bucket Breakout Force (lbs.) 6550 7425
Loader Raise Time 4.24 sec. 4.89 sec.
Loader Lower Time 3.11 sec. 3.41 sec.
Bucket Dump Time .86 sec. 1.11 sec.
Bucket Quick Release Mechanism Mechanical Hydraulic
Drawbar Pull (lbs.) 5500 6170
Loader Clearance Circle (ft.) 23' 10.6" 26' 2"
Operating Weight (lbs.) 7450 8980
Standard Tires 12.5/70-16 8 ply 15.5/60-16 8 ply

Specifications subject to change without notice.

Drive Train & Hydraulic Pump
Model R420S R520S
Transmission Load sensing transmission
No. of Speeds 1 Forward/1 Reverse
Travel Speed 0 to 12.5 mph
Travel Speed w/Travel Speed Limiter On 0 to 3.1 mph
Brakes/Service Enclosed, self-adjusting wet disc
Brakes/Parking Spring applied, hydraulic released wet disc
Pump Output/Load Sensing Transmission 19.2 gpm @ 4970 psi 19.2 gpm @ 5680 psi
Pump Output/Main 11.1 gpm @ 2700 psi 15.4 gpm @ 2700 psi
Pump Output/Charge 4.5 gpm @ 285 psi
Auxiliary Hydraulic Flow Front and Rear 11.1 gpm 15.4 gpm

Specifications subject to change without notice.

Fluids

Model R420S R520S
Fuel Tank (gal.) 14.3
Hydraulic System (gal.) 15.6
Hydraulic Reservoir (gal.) 11.6

Specifications subject to change without notice.

R420S Options - ROPS/FOPS Cab, .75 cu. yd. light material bucket, skid-steer quick attach system, industrial grapple bucket, 4 in 1 multi-purpose bucket, pallet fork frame, 48" pallet forks, 9' side-shift backhoe, industrial tires and turf tires.

R520S Options - ROPS/FOPS Cab, 1 cu. yd. light material bucket, skid-steer quick attach system, industrial grapple bucket, 4 in 1 multi-purpose bucket, pallet fork frame, 48" pallet forks, 9' side-shift backhoe, industrial tires and turf tires.

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