When it comes to commercial lawnmowers, Ferris has really stepped up. They have a really great looking line of mowers. These mowers with there heavy construction and great features are truly commercial mowers.
The IS 5100Z series of full-sized zero-turn mowers features an impressive complement of comfort, performance and convenience. It features easier service access, more horsepower, improved operator comfort and increased performance. They have upgraded their industry-exclusive suspension and Roll Over Protection System (ROPS) as a standard feature.
With the new Caterpillar Diesel Engine it will have plenty of power and durability. The Caterpillar Engine has an expected life of 6000 operating hours and has 33.5 Hp.

Bellow is the Specification sheet for the IS 5100Z.

ENGINE Make-Caterpillar™ Diesel
Horsepower-33.5-hp
PTO-Electric
Cylinders-3
Starting-Electric
Fuel Capacity (gal.)-15

MOWER-Cutting Width(in.)-61 / 72 side or rear discharge
Cutting Height (in.)-1.5 – 6.0
Deck Construction-7, 10, & 12-gauge, fabricated, double top deck, double reinforced side skirts, overlap welded corners
Spindles-Hercules Spindles
Suspension-4-wheel
Transmission-Hydro Gear Pumps and Parker Wheel Motors
Drive Axles-1.25″ Tapered
Drive Tires (in.)-26 x 12 x 12
Caster Tires (in.)-13 x 6.5
GROUND SPEED
Speeds-fwd. (mph)
0 – 12
Speeds-rev. (mph)
0 – 6
DIMENSIONS-Overall Length
7′3″
Overall Width
6′2″ (61″)
deflector down (deflector up)
7′2″ (6′1.5″) (72″)
Dry Weight (lbs.)-2178 (61″)
2218 (72″)

COMFORT SYSTEMS
Premium Seat Package-Standard
Certified Roll-over Protection System-Standard
Instrumentation-Fuel level gauge in each tank. Visual water temperature gauge. Hour meter.

Safety Group
Seat activated engine kill, clutch safety switch, neutral and parking brake safety circuit.
Parking Brake / Safety Circuit-Disk Type

ACCESSORIES
Trailer Hitch Kit

WARRANTY

Engine- 2-Year Manufacturer’s Warranty
Transmission- 2-Year Warranty
Balance of Machine- 2-Year commercial use, front-to-rear, parts & labor excluding belts, blades, tires and brake pads.