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Bob Cat ZT3500 Zero-Turn Mower

When you have more acres to maintain, you need more commercial-grade features to keep you on top. With the ZT3500, that comes standard. 

$9,319 USD** or finance $193/month USD*

As low as 0% for 48 months* or rebates up to $500 USD* / $700 CAD* in lieu of financing. Offers end December 31, 2025.

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ZT3500 Key Specifications

ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Cutting Height Range
1.5-4.9“ (38-124 mm) 
1.5-4.9“ (38-124 mm) 
1.5-4.9“ (38-124 mm) 
Mower Deck
TufDeck™ Pro 10-gauge Top with 7-gauge Spindle Supports; 7-gauge Side Skirts 
TufDeck™ Pro 10-gauge Top with 7-gauge Spindle Supports; 7-gauge Side Skirts 
TufDeck™ Pro 10-gauge Top with 7-gauge Spindle Supports; 7-gauge Side Skirts 
Width
48 in
52 in
61 in
Engine Model
Kaw FX651V 
Kaw FX691V 
Kaw FX730V 
Displacement
726 cubic cm
726 cubic cm
726 cubic cm
Pump Displacement
12 cubic cm
12 cubic in
12 cubic cm
Transmission Type
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Discharge Chute
Flexible Molded Polymer 
Flexible Molded Polymer 
Flexible Molded Polymer 
Cutting Height Range
1.5-4.9“ (38-124 mm) 
1.5-4.9“ (38-124 mm) 
1.5-4.9“ (38-124 mm) 
Mower Deck
TufDeck™ Pro 10-gauge Top with 7-gauge Spindle Supports; 7-gauge Side Skirts 
TufDeck™ Pro 10-gauge Top with 7-gauge Spindle Supports; 7-gauge Side Skirts 
TufDeck™ Pro 10-gauge Top with 7-gauge Spindle Supports; 7-gauge Side Skirts 
Mower Blade Tip Speed
17365 ft/min
18142 ft/min
18809 ft/min
Width
48 in
52 in
61 in
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Engine Model
Kaw FX651V 
Kaw FX691V 
Kaw FX730V 
Fuel Tank
7.8 gal
7.8 gal
7.8 gal
Horsepower
20.5 hp
22 hp
23.5 hp
Displacement
726 cubic cm
726 cubic cm
726 cubic cm
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Machine Weight
773 lbs
789 lbs
832 lbs
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Charging System
15 amp
15 amp
15 amp
Clutch
125 ft-lb
125 ft-lb
125 ft-lb
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Pump Displacement
12 cubic cm
12 cubic in
12 cubic cm
Transmission Type
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
HG ZT-3400 Hydrostatic Transaxles 
Oil Capacity
4 qt 
4 qt 
4 qt 
Travel Speed
10 mph
10 mph
10 mph
Travel Speed – Reverse
3.5 mph
3.5 mph
3.5 mph
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Drive Wheel Size
23 x 10.5-12 
23 x 10.5-12 
23 x 10.5-12 
Front Caster Wheel Size
13 x 6.5-6 
13 x 6.5-6 
13 x 6.5-6 
Caster Arm Attachment
Welded to Frame 
Welded to Frame 
Welded to Frame 
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 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 
Length
76 in
80 in
81.9 in
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck
Fore-Aft Adjustment
Seat Slide Lever 
Seat Slide Lever 
Seat
High-Back, Mechanical Suspension Seat 
High-Back, Mechanical Suspension Seat 
High-Back, Mechanical Suspension Seat 
ZT3500 – 48” Deck
ZT3500 – 52” Deck
ZT3500 – 61” Deck

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