HOLIDAY SEASON HOURS: Closing at NOON 12/24. Closed 12/25 & 12/26. Closing at NOON 12/31. Closed 1/1.
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Bob Cat ZS4000 Zero-Turn, Stand-On Mower

Stability. Agility. Profitability. With a compact size, extra ground clearance and large drive tires, the ZS4000 gets over and around obstacles and on to the next job. 

$9,699 USD** or finance $203/month USD*

As low as 0% for 48 months* or rebates up to $600 USD* / $900 CAD* in lieu of financing. Offers end December 31, 2025.

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ZS4000 Key Specifications

ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Cutting Height Range
1.5-4.5 
1.5-4.5 
1.5-4.5 
1.5-4.5 
Mower Deck
DuraDeck Cutting System 
AirFX Cutting System 
AirFX Cutting System 
AirFX Cutting System 
Width
36 in
Engine Model
Kaw FX600V 
Kaw FX651V 
Kaw FT730 EFI 
Kaw FT730 EFI 
Displacement
603 cubic cm
726 cubic cm
726 cubic cm
726 cubic cm
Pump Displacement
10 cubic cm
12 cubic cm
12 cubic cm
12 cubic cm
Transmission Type
HG ZT-3100 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Discharge Chute
Flexible Molded Polymer 
Flexible Molded Polymer 
Flexible Molded Polymer 
Flexible Molded Polymer 
Cutting Height Range
1.5-4.5 
1.5-4.5 
1.5-4.5 
1.5-4.5 
Mower Deck
DuraDeck Cutting System 
AirFX Cutting System 
AirFX Cutting System 
AirFX Cutting System 
Mower Blade Tip Speed
17600 ft/min
17800 ft/min
18586 ft/min
18500 ft/min
Width
36 in
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Engine Model
Kaw FX600V 
Kaw FX651V 
Kaw FT730 EFI 
Kaw FT730 EFI 
Fuel Tank
5.1 gal
6.5 gal
6.5 gal
6.5 gal
Horsepower
19 hp
20.5 hp
26 hp
26 hp
Displacement
603 cubic cm
726 cubic cm
726 cubic cm
726 cubic cm
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Machine Weight
800 lbs
961 lbs
991 lbs
1028 lbs
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Charging System
15 amp
15 amp
15 amp
15 amp
Clutch
125 ft-lb
200 ft-lb
200 ft-lb
200 ft-lb
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Pump Displacement
10 cubic cm
12 cubic cm
12 cubic cm
12 cubic cm
Transmission Type
HG ZT-3100 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
Travel Speed
9 mph 
10.5 mph
10.5 mph
10.5 mph
Travel Speed – Reverse
3.5 mph
3.5 mph
3.5 mph
3.5 mph
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Drive Wheel Size
20 x 8.0-10 
23 x 8.5-12 
23 x 10.5-12 
23 x 10.5-12 
Front Caster Wheel Size
11 x 6.0-5 
13 x 6.5-6 
13 x 6.5-6 
13 x 6.5-6 
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Front and Rear
Welded 7-gauge Steel; 1.5 x 2.5 in Steel Tubing 
Welded 7-gauge Steel; 1.5 x 2.5 in Steel Tubing 
Welded 7-gauge Steel; 1.5 x 2.5 in Steel Tubing 
Welded 7-gauge Steel; 1.5 x 2.5 in Steel Tubing 
Length
64 in
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck
Fore-Aft Adjustment
Flip Up and Latch 
Flip Up and Latch 
Flip Up and Latch 
Flip Up and Latch 
Seat
Operator Pad – tethered, removable 
Operator Pad – tethered, removable 
Operator Pad – tethered, removable 
Operator Pad – tethered, removable 
ZS4000 – 36″ Deck
ZS4000 – 48″ Deck
ZS4000 – 52″ Deck
ZS4000 – 61″ Deck

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HOLIDAY SEASON HOURS

Closing at NOON 12/24
Closed 12/25 & 12/26
Closing at NOON 12/31
Closed 1/1

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