The IS3100Z series includes a variety of premium performance, comfort, and convenience features that add even greater customer value to an already best-selling design. This mower offers supreme quality and reliability, plus an extraordinary package of features and benefits. One lap on this machine and you will know... Ferris has done it again.


Deluxe Seat

Deluxe high back seat with added lumbar support
for increased comfort.





32-hp VanguardTM Big Block

32-hp VanguardTM Big Block engine provides
increased horse-power and more torque. Available
in 61" or 72" cutting widths.




Air Cleaner

Two-stage industrial air-cleaner extends engine
service life.





AdjustableAnti-scalp Rollers

Adjustable, anti-scalp rollers rotate 360° allowing
for tight turns and less chance of drag marks and
scalping.




Hercules™ Spindles

Hercules™ cast-iron mower spindles with oversized
1 1⁄4" tapered roller bearings, 1 1⁄4" shaft and 10
1⁄4" 6-bolt flange design.




¼" Frame Rails

Ferris frames are an industry leading 1⁄4" thick.
Competitive fixed frame units use thinner 1/8"
walls.




Gas Gauges

Gas gauges are easy to view from operator
compartment.





Flip Up Seat and Seat Pan

The seat and seat pan flip up to gain access for
easy serviceability.





5/8" Hoses

The 5/8" hoses to the hydro pumps, reservoir &
filter provide consistent supply and flow. This
results in a more reliable system and less
"jerkiness".



Elevated Hydro Reservoir

The elevated hydro reservoir allows for better draw.






1 Qt. Hydro Filter

Larger surface area for better filtration.






Wrapped High-Pressure Hoses

All high-pressure hoses are wrapped with
industrial material so if there is a piercing it will
contain fluid to protect operator.




3/8" Solid Center Wheel

We use strong wheels for less chance of stress
cracks.





High Strength Marine Grade Plated Hardware

ASM rated for severe conditions, provides corrosion
resistance.





Double A-belt & Cast Iron Pulleys

Heavy-duty banded double A-belt & cast iron
pulleys handle load capacity better than the
competition.Our double A-belt is less stresses
than a traditional single belt configuration.



Tapered Wheel Bearings

Tapered wheel bearings in castor wheels and
mounts keep a longer life than bushings.





Greasable Bearings

Greasable bearings at all 4 pivot points of deck lift
mechanism make for easy serviceability.





Rubber Torsion Mounted A-Frame

Rubber torsion mounted A frame contributes to a
trouble free smooth ride.





1" x 1/2" Leading Edge of Deck

The 1" x ½" leading edge of the deck adds an
extra layer of deck protection.





Pillow Block Bearing On Control Mount

The pillow block bearing on the control mount aids
in smoother operation...competitors use bushings.





Cross Link Polyethylene Roto Molded Gas Tank

Cross link polyethylene roto molded gas tanks
have nearly a ¼" wall thickness with a drop tube
to prevent spillage.Our tanks are better than
competitive blow molded tanks.



Debris Shields

Debris shields, at the base of control handles and
sides of seat, keep debris away from getting under
the seat & into machine.




Automotive Quality Paint

We use only automotive quality paint, the best
paint in the industry.





Heavy-Duty Wiring

We use heavy duty 10, 12 & 14 gauge wiring,
stronger than most competitors. We wrap it for
protection, fit & finish




Covered Fuse Block

The covered fuse block is protected from the
elements and is located for easy accessibility.





Viton Seals


Viton seals on gas tank output hoses are the best
quality and are longer lasting.




Top Mounted Fuel Pickups


Top mounted fuel pickups deliver easier
serviceability, less spillage if line leaks, won't
draw dirt from bottom of tank.



Extreme Heavy-Duty Bumper

The extreme heavy-duty bumper protects the
mower and especially the engine.





OrderingReplacement Belts & Blades Made Easy

A belt and blade part number stickeris located
under seat.When replacements are needed, simply
tell your Ferris dealerthe part numbers you need to
order.

ENGINE GROUP
• 37-hp Kawasaki V-Twin engine. 32-hp VanguardBIG BLOCK V-Twin engine.
• 30-hp VanguardBIG BLOCK V-Twin engine. (cruises at 3200 rpm for better fuel economy) 
• 26-hp Kawasaki V-Twin liquid-cooled engine.
• Rugged twin 6-gallon fuel tanks (12-gallon total). 
• Two-stage industrial air-cleaner. 
• Fans mounted on top of hydro pumps assist in cooling of pump and repelling debris. 
• Easy access oil drain for ease of maintenance. 

MOWER DECK
• Available in 61" or 72" cutting widths. 
• Cut height: 1.5"- 5" adjusts in 1/4" increments. 
• Hercules™ cast-iron mower spindles 
• Adjustable, 360° anti-scalp rollers. 

SUSPENSION / CHASSIS
• Patented four-wheel suspension system dramatically increases quality of cut over competetive
  fixed frame units. 
• 1/4" thick tubular steel frame rails deliver the strongest frame in the industry. 

OPERATOR CONTROL & COMFORT SYSTEMS
• Ergonomic control panels feature a cup-holder, storage compartment and fuel gauges for
  operator convenience. 
• Deluxe high back seat with lumbar support. 
• Deluxe suspension seat available on select models (SS) 
• Pre-wired for simple installation of optional head light kit. 
• Folding Roll Over Protection System (ROPS) with retractable seat belt.
• Heavy duty integrated rear bumper for engine compartment protection.