John Deere Z945M EFI vs. Z994R Diesel

The Z945M EFI and the Z994R Diesel are both fantastic pieces of equipment. They share a number of similarities but have a few key differences, too. We’ll go over those differentiators to help you make the right decision for you and your property.

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SPECS John Deere Z945M EFI John Deere Z994R Diesel
Key Specs - Engine Power Gross at 3,600 rpm: 27 hp
20.1 kW
Gross at 3,200 rpm, PS: 24.7 hp
18.4 kW
Key Specs - Speed range 0-10 mph
0-16.1 km/h
0-11.4 mph
0-18.3 km/h
Mower decks - Cutting width 60 in.
152 cm
54, 60, 72 in.
137, 152, 183 cm
Mower decks - Height-of-cut range Increments
0.25 in.
0.64 cm
1-5.5 in.
2.54-14 cm
Increments
0.25 in.
0.64 cm
1-5.5 in.
2.54-14 cm
Mower decks - Discharge Side, Mulch On Demand™ system Side-discharge, Side-discharge, Mulch On Demand
Dimensions - Width With chute down, 74 in.
188 cm
With 54-in. side-discharge mower 68 in.
172.7 cm
With 60-in. side-discharge mower 74 in.
188 cm
With 60-in. Mulch On Demand side-discharge mower 74 in.
With 72-in. side-discharge mower 86 in.
218.4 cm
Dimensions - Length 84 in.
213.4 cm
88.6 in.
225 cm
See Complete Z945M EFI Specs See Complete Z994R Diesel Specs