Z997R Diesel ZTrak™ Zero-Turn Mower

Z997R Diesel ZTrak™ Zero-Turn Mower


  • 37.4 HP (27.5 kW)
  • Biodiesel (B20) compatible
  • Tier 4 compliant
  • Four different deck options: 60-in side, 72-in side, 60-in MOD and 60-in rear.
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Model no. 3TNV88C
Horsepower (gross) At 3,000 rpm, PS, 37.4 hp
27.5 kW
Displacement 100.2 cu in.
1,642 cc
Cylinders Three
Crankcase capacity 3.8 U.S. qt
3.6 L
Oil filter Full flow, replaceable, spin-on type
Lubrication Full pressure
Cooling Liquid
Air cleaner Pre-cleaner
Dry-type, replaceable

Fuel system

Fuel type Dieselo or Biodiesel (up to B20)
Fuel consumption
Fuel tank capacity 11.5 U.S. gal.
43.5 L
Fuel tank switch/shut-off valve Yes

Electrical system

Charge system 75 amp
Battery voltage 12 V
Cold cranking amp At 18 degrees C, 490 amp
Hour meter Standard multi-function display
Operator presence starting system Standard


Hydraulic pumps
Wheel motors Parker Ross TG0310, 18.9 cu in.
310 cc
Travel speed Forward
0-11.5 mph
0-18.5 km/hReverse
0-5 mph
0-8 km/h
Speed and direction control Zero turn
Hydraulic capacity Tank capacity, 3.2 U.S. gal.
12.1 L
Hydraulic oil cooler Yes
Filter Spin-on Type


Drive tires 26x12-12
Rear tires 26x12-12
Load rating 4PR


Dynamic braking Dual hand controlled levers
Park brake Caliper disc brake
Park brake actuation Hand lever


Type Hydraulic clutch
Drive Internal wet disk clutch

Mower decks

Available widths Side discharge, Mulch On Demand? (MOD), rear dishcharge, 60 in.
152 cm
Side discharge, 72 in.
183 cm
Deck construction 7-Iron PRO: One piece stamped steel (except for 60 in. rear discharge)
Deck thickness 7 gauge
0.18 in.
4.6 mm
Discharge Side-discharge, MOD, rear-discharge
Height-of-cut range Increments
0.25 in.
0.64 cm
1.5-5.0 in.
3.8-12.7 cm
Cutting width 60, 72 in.
152, 183 cm


Length 60-in. deck, 21 in.
53.3 cm
72-in. deck, 25 in.
63.5 cm
Thickness 0.25 in.
0.64 cm
Tip speed 60-in. deck, approximately 17,480 fpm
5,328 m/min
72-in. deck, approximately 17,500 fpm
5,334 m/min
Number Three


Caster wheel type Flat free
Caster wheel size 15x6-6
Front anti-scalp rollers LH, RH, Center
Rear anti-scalp rollers LH, RH, Center


Length 60-in. side-discharge, 96 in.
244 cm
Width 60-in. side-discharge and MOD, 74 in.
188 cm
72-in. deck, 86 in.
218.4 cm
Height ROPs up, 85 in.
216 cm
Weight 60-in. side-discharge, 1,774 lb
805 kg
60-in. rear-discharge, 1,827 lb
829 kg
72-in. side-discharge, 1,841 lb
835 kg

Additional information

Date collected 24-Apr-2017