John Deere Z997M

ZTrak™ Zero-Turn Mower

Increase productivity while lowering costs with the Z997M Diesel. High-torque diesel power, fuel efficiency, and durable 7-Iron PRO decks deliver fast results and long-life commercial performance you can count on.

Product Features:

36.9-hp (27.5-kW) Liquid-Cooled Diesel Engine
60-in. (152-cm) and 72-in. (183-cm) 7Iron™ PRO Decks; 60-in. (152-cm) and 72-in. (183-cm) FastBack™ PRO Decks
Rear Cooling Package With Quick Clean Out
JDLink™ M Modem 4G in Base

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Features

36.9-hp (27.5-kW) Liquid-Cooled Diesel Engine

60-in. (152-cm) and 72-in. (183-cm) 7Iron™ PRO Decks; 60-in. (152-cm) and 72-in. (183-cm) FastBack™ PRO Decks

Rear Cooling Package With Quick Clean Out

JDLink™ M Modem 4G in Base

Benefits

Top‑down view of zero‑turn mower showing the operator area with a yellow seat, control levers, perforated deck surface, and twin mower housings on either side.

Fastback™ PRO Rear-Discharge Mower Deck

The Fastback™ PRO rear-discharge system improves safety and productivity by minimizing debris throw and allowing closer mowing near obstacles. Ideal for public spaces, it ensures a tidy operation with better debris control around the operator.

7-Iron™ PRO Deck

This mower is equipped with a 7-Iron PRO side-discharge deck stamped from 7-gauge steel, offering superior durability and performance. The deck design provides a high-quality cut with excellent material processing and discharge capabilities.

Close-up of mower seat with green accent panels and armrests, mounted on a black equipment frame with visible seat adjustment knob, control levers, and roll bar behind.

ComfortGlide™ Seat System

The ComfortGlide™ seat system features adjustable suspension, allowing operators to transition more smoothly over bumps. It can adjust fore and aft, absorbing impacts for reduced operator fatigue during long hours of operation.

Specifications

Height-Of-Cut Increments	0.25 in.
Height-Of-Cut Increments	0.64 cm
Cutting Width	60/72 in.
Cutting Width	152/183 cm
Mower Deck Size	60-in. (152-cm) 7Iron™ PRO side-discharge; 72-in. (183-cm) 7Iron™ PRO side-discharge; 60-in. (152-cm) FastBack™ PRO rear-discharge; 72-in. (183-cm) FastBack™ PRO rear-discharge
Height-Of-Cut Range	2.5-14.0 cm
Height-Of-Cut Range	1-5.5 in.
Discharge	Side-discharge, Rear-discharge
Deck Construction	7-Iron™ PRO: 7-gauge, 0.179-in. (4.6-mm) one-piece forged steel; FastBack™ PRO: 7-gauge, 0.179-in. (4.6-mm) fabricated steel

Forward Speed	0-18.5 km/h
Speed Direction And Control	Zero turn
Speed Range	0-11.5 mph
Hydraulic Capacity	3.2 U.S. qt
Reverse Speed	0-5 mph
Wheel Motors	Hydro-Gear HGM18L 17.8 cu in. (292 cc)
Filter	Spin-on Type
Forward Speed	0-11.5 mph
Transmission	Hydrostatic
Speed Range	0-18.5 km/h
Hydraulic Capacity	12.1 L
Reverse Speed	0-8 km/h
Hydraulic Oil Cooler	Yes

Load Rating	4 PR
Rear Tires	26x12-12 square shoulder 4-ply turf, optional 26x12-12 Michelin Tweel turf tires
Drive Wheels	26x12-12 square shoulder 4-ply turf, optional 26x12-12 Michelin Tweel turf tires

Height - With ROPS Up	196 cm
Height - With ROPS Up	77.3 in.
Weight	2180 to 2313 lb.
Weight	989 to 1049 kg
Width - With Chute Down	188, 218 cm
Width - With Chute Down	74, 86 in.
Length	60-in. (152-cm) side-discharge: 96 in. (244 cm)
Width - Rear Discharge	161.3, 192.5 cm
Width - Rear Discharge	63.5, 75.8 in.
Height - With ROPS Down	50.9 in.
Height - With ROPS Down	129 cm

Slope Operating Limit	17 degree (angle)
Rollover Protective Structure (ROPS)	Yes

Caster Wheels	15x6-6
Caster Wheel Type	Flat free
Front Anti-Scalp Rollers	Left, center, right
Rear Anti-Scalp Rollers	Left, center, right

Park Brake	Internal wet disk integrated in the transmission
Dynamic Braking	Dual hand controlled levers
Park Brake Actuation	Automatic engagement when steering levers are outward

Fuel Type	Diesel or Biodiesel (up to B20)
Fuel Tank Capacity	45.4 L
Fuel Tank Capacity	12 U.S. gal.
Fuel Tank Switch/Shut-Off Valve	Yes

Displacement	1642 cc
Displacement	100.2 cu in.
Cooling	Liquid
Pre-Cleaner	Yes
Air Cleaner	Heavy-duty canister, dry type with safety element and air-restriction indicator
Crankcase Capacity	3.6 L
Engine Power	Gross at 3,000 rpm, PS: 37.4 hp (27.5 kW)
Crankcase Capacity	3.8 U.S. qt
Oil Filter	Full flow, replaceable, spin-on type
Lubrication	Full pressure
Cylinders	3
Engine Manufacturer/Model	3TNV88C

Date Collected	2025-11-01T11:56:00

Number	3
Blade Tip Speed	7Iron PRO: Approximately 18,000 fpm; 60-in. (152-cm) FastBack: Approximately 15,000 fpm; 72-in. (183-cm) FastBack: Approximately 17,000 fpm
Thickness	0.25 (0.64 cm)
Length	Varies by deck size

Type	Hydraulic clutch
Drive	Internal wet disk clutch

Operator Presence Starting System	Standard
Battery Voltage	12 V
Hour Meter	Digital multi-function display
Charge System	150 amp
Cold Cranking Amp At 18 Degrees C	490 amp

Warranty	36 months or 1500 hours, whichever comes first, no hour limitation for the first 24 months.