ZW50

Tier 4 Final Certified
44 hp   32.8 kW
Engine Output, Max, Gross (ISO 14396)
42 hp   31.8 kW
Engine Output, Max, Net (ISO 9249)
0.8 yd3   0.6 m3
Bucket capacity
9,350 lbs   4,240 kg
Operating Weight

ENGINE

Model
Kubota D1803-CR-TIE4 diesel engine
Type
4-cycle, water-cooled, direct injection with turbocharger and air cooled intercooler
Aspiration
Turbocharger and intercooled
Aftertreatment
DOC and SCR system
Cooling method
Forced circulation type
No. of cylinders
3
Gross Power (ISO 14396)
44 HP (32.8 kW) at 400 RPM
Net Power (ISO 9249)
42 HP (31.8 kW) at 400 RPM
Bore and stroke
3.4 in X 4.0 in (87 mm x 102.4 mm)
Piston displacement
112 in3 (1.83 liters)
Batteries
12V–800 CCA (70Ah), 2 units
Air cleaner
Dry type (double element) with restriction indicator
Emission
Complies with EU stage IV and US EPA Tier 4 Final

POWERTRAIN

Transmission
Hydrostatic transmission (HST) automatically controls power and 2-speed
Travel speed* Forward (MPH)
Low
5
Auto
10.6
Travel speed* Reverse (MPH)
Low
5
Auto
10.6

AXLE AND FINAL DRIVE

Drive system
Four-wheel drive system
Front & rear axle
Semi-floating
Front
Fixed to the front frame
Rear
Trunnion support
Reduction and differential gear
Two-stage reduction with torque proportional differential
Oscillation angle
Total 16o (+8o,-8o)
Final reduction gear
Inboard mounted, heavy duty planetary gear

BRAKES

Service brakes
Wet disc in reduction gear box
Parking/Emergency brake
Spring-applied, hydraulically-released wet disc

STEERING SYSTEM

Type
Articulated frame steering
Steering mechanism
Hydraulic power steering unit, double-acting piston type
Cylinders
Double-acting piston type

HYDRAULIC SYSTEM

Main Pump
Maximum flow
13.9 gal/min (52.7 L/min) at 2,400 RPM
Maximum pressure
20.6 MPa
Hydraulic cylinders
Type
Double acting type
No. x Bore x Stroke
Arm: 2.8" x 20.9" (70mm x 531mm)
Bucket: 2.8" x 17.7" (70mm x 450mm)
Hydraulic cycle times*
Normal
Lifting time (at full load)
5.0 Sec
Lowering time (empty)
3.0 Sec
Bucket dumping time
1.0 Sec
TOTAL
9.0 Sec
* Measured in accordance with SAE J732C

SERVICE REFILL CAPACITIES

Fuel tank
11.1 gal (42 L)
Engine coolant
1.7 gal (7 L)
Engine lubricant (including oil pan)
2.0 gal (8 L)
Torque convertor & transmission
0.5 gal (2 L)
Front axle differential & wheel hubs
1.2 gal (5 L)
Rear axle differential & wheel hubs
1.2 gal (5 L)
Hydraulic oil tank
7.1 gal (27 L)

ENGINE

Air filter double elements
Air intake
Cold start aid, glow plugs
Engine oil filter, cartridge type
Engine coolant reservoir
Kubota D1803-CR-TIE4 diesel

POWERTRAIN

Brake, parking
Enclosed wet disc type
Spring applied
Oil pressure released
Brakes, service
Enclosed wet disc type
Full hydraulic system
Electrically controlled HST system
Forward/reverse lever
Limited slip differential (LSD) for both axles
Travel mode selector switch (L & Auto)

HYDRAULIC SYSTEM

Bucket auto leveler (automatic return to dig control)
Coupler, hydraulic, universal type
Hydraulic system, 3-function Control valve, 3-spool, parallel and tandem control
Shift lever lock

ELECTRICAL

Alternator, DC 12V-70A (8.4 kW)
Battery, 12V – 800 CCA (70Ah)
Battery disconnect cable
Horn, electric
Lights
2 Headlights (halogen)
2 Stop/tail/turn lights (halogen)
2 Turn signals (front) (halogen)
1 Backup (halogen)
Working lights (LED for Cab only) 2 front, 2 rear

CAB

AM/FM/WB Stereo Radio with AUX input
Coat hook
Cup holder
Floormat, sweep-out
ROPS/FOPS Cab, ISO 3449 Level II compliant (Canada)*
ROPS/FOPS Canopy (US)
Seat, adjustable suspension, fabric (cab only)
Seat, adjustable suspension, vinyl (canopy only)
Seat belt, adjustable (3 inch)
* Canopy option available in US market only.

OTHERS

Articulation locking bar
Counterweight
Drawbar
Fenders
Linkage (Z-type, sealed w/HN bushings)
Neutral safety start
Rear grill, hinged
Radiator, dust screen
Radiator, side-by-side w/oil cooler

ALARMS, GAUGES, INDICATORS

Alarms (audible)
Brake oil level
Engine coolant temp
Engine oil pressure
Alarms (visible)
Air filter
Battery discharge
Brake oil level
Engine oil pressure
Engine coolant temperature
Machine service
Gauges
Engine coolant temperature
Engine tachometer
Fuel gauge
Indicators
Clearance light
Cold start
Forward/reverse
Hour meter
High beam
Parking brake
Turn signal w/4-way flashers
Travel mode (L)
Working light, indicator (cab only)

RELIABILITY

Convenient Access
Easy-to-open wide engine covers
Improved fuel efficiency
Lock-up transmission and Tier 4 Final-compliant engine
Easy Maintenance
Standard battery disconnect switch
Reliable Performance
Improved lift arm speed, easy-to-control auto leveller and anti-drift system

VERSATILITY

Enhanced Visibility
Curved engine hood in rear and 360 degree visibility from cab
Traction force
25% improvement for easy loading
Powerful performance
Quick power switch increases engine output when requires

QUALITY

Smooth operation
Ride control minimizes pitching
Easy to operate
Multifunctional monitor shows information at a glance
Low-noise performance
Improved sound insulation
User-friendly
Effortless control with optional E-Stick steering system

TECHNOLOGY

Low Emissions
SCR system without DPF reduces NOx from exhaust gas
Environmentally friendly
More than 90% of parts are recyclable
Remote monitoring
Global e-Service via Owner's Site and ConSite

STANDARD ARM

Overall Length
16'
Overall Height
8' 5"
Width over tires
5' 5"
Wheelbase
6' 1"
Ground Clearance
12'
Turning radius
20.6 ft (6,270 mm)
Height to Bucket Pin (fully raised)
14.5 ft (4,425 mm)
Reach, 45 degree dump, full height
4.3 ft (1,310 mm)
Max roll back at carry position
50 deg
Roll back angle at full height
61 deg
Static Tipping Load- Straight***
5,510 lb (2,500 kg)
Breakout force
5,530 lb (24.6 kN)
Overall Weight**
9,350 lb (4,240 kg)
NOTES:
   * Canopy option available in US market only
 ** Includes ROPS/FOPS weight
*** Static tipping load and operating weight marked with** include 15.5/60-18 8PR (L-2) tires (no ballast) with lubricants, coolant, full fuel tank and operator.
     All dimensions, weight and performance data based on ISO 6746-1:1987,ISO 7131:1997 and ISO 7546:1983