| Model |
ZD321 |
ZD326 |
ZD331 |
| ZD321N-54 |
ZD321-60 |
ZD326P-60 |
ZD331P-60 |
ZD331LP-72 |
| Engine |
Model |
Kubota D782 |
Kubota D1005 |
Kubota D1305 |
| Type |
Diesel Liquid-cooled (3 cyl.) |
| Max. Horsepower |
21 HP @3200rpm |
26 HP @3200rpm |
31 HP @3000rpm |
| Total Displacement |
47.48 cu. in. |
61.08 cu. in. |
76.98 cu. in. |
| Starting System |
Key-switch -- super glow |
| Dimensions |
Overall Length |
86.0 in. |
87.4 in. |
91.9 in. |
| Overall Width (w/ mower) |
66.1 in. |
75.2 in. |
87.5 in. |
| Overall Width (w/o mower) |
53.7 in. |
57.5 in. |
| Overall Height (w/ ROPS upright) |
75.4 in. |
| Overall Height (w/ ROPS folded) |
61.2 in. |
| Wheel Base |
55.5 in. |
60.0 in. |
| Tread |
Front |
38.4 in. |
42.1 in. |
| Rear |
43.3 in. |
45.3 in. |
| Tire Size |
Front |
15x6.0-6 |
15x6.0-6 non flat |
| Rear |
23x10.50-12 |
23x10.50-12 |
| Weight (w/ mower) |
1671 lbs. |
1700 lbs. |
1757 lbs. |
1773 lbs. |
1812 lbs. |
| Transmission System |
2-HST w/ Gear reduction |
| Speed Control |
2-hand lever |
| Travel Speed Range |
Front |
0-10.6 mph |
| Rear |
0-5.3 mph |
| Brake Type |
Wet multi disks, foot operated |
| Mower PTO Type |
Shaft Drive |
| Mower Clutch Type |
Wet multi disk |
| PTO Brake |
Wet single disk |
| Mower Deck |
Model |
RCK54P-321Z |
RCK60P-331Z |
RCK60P-331Z |
RCK60P-331Z |
RCK72P-331Z |
| Mower lift system |
Hydraulic |
| Mower deck type |
Fabricated deck |
| Deck depth |
6.0 in. |
6.5 in. |
| Deck steel thickness |
0.18 in., 0.17 in. |
| Anti-scalp roller |
Swivel |
| Cutting width of mower |
54 in. |
60 in. |
72 in. |
| Number of Blades |
3 blades |
| Cutting height |
1 in. - 5 in. / 1/4 in. increments |
| Mounting system of mower |
Parallel linkage |
| Blade tip speed (max.) |
17200 FPM |
18200 FPM |
18200 FPM |
18200 FPM |
18100 FPM |
| Seat adjustment |
One touch system (weight, armrests, reclining, and lumbar support) |
| Step Deck |
Full flat |
| Engine Stop System |
Key stop |
| Fuel Tank Capacity |
11.9 gallons |
| Battery |
12Volts, 51R, 450CAA @ 0 degrees F, 70 min. RC |
| Alternator Capacity |
14Volts 14 Amps |
| Water Temperature Indicator |
Standard |
| Hour Meter |
Standard |
| Fuel Gauge |
Electric |