1600T Series IIIWide Area Rotary Mower

  • On-demand or full-time 4-wheel drive.
  • Built for large area mowing
  • Decks are fabricated from 7-gauge steel with additional 19 mm protection bar


The 1600T Series III offers a choice between on-demand or full-time 4-wheel drive. Differential lock comes as standard with this model. The wing decks can mow at a 45 degree upward angle and a 20 degree downward angle to maintain a flawless cut.

The ergonomic controls and fully adjustable, air suspended seat keep operators fresh and focused all day long.


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John Deere

1600T Series III

Wide Area Rotary Mower

Key Specs

Engine Manufacturer/model4TNV86CT-DJWM (T4)
Engine PowerGross power SAE J1995 at 3,000 rpm, PS 60 hp
44 kW
Fuel tank capacity22 U.S. gal.
83.3 L
Mower deck Size62, 94, 128 in.
157, 239, 325 cm
Blade tip speed13,000 fpm
3,962 m/min
Drive tires26x12-12
Caster wheelsWing deck: Four, 11x4-5, flat-free
Front deck: Two, 11x4-5, flat-free
Warranty2 years


Model4TNV86CT-DJWM (T4)
Displacement127.6 cu in.
2.091 L
2,091 cc
Bore and stroke3.4x3.5 in.
86x90 mm
Starting aidEngine glow plug
PowerGross power SAE J1995 at 3,000 rpm, PS 60 hp
44 kW
Rated engine speed3,000 rpm
Operating rangeWith isochronous governor 1,400-3,030 rpm
LubricationPressurized by lobe-style pump
Oil filterSpin-on
CoolingLiquid-cooled water centrifugal
Cooling system capacity2.5 U.S. gal.
7.5 L
Crankcase capacity6.1 U.S. qt
5.8 L
Compression ratio19:01
Operating torque (net continuous @ 3000 rpm)103 lb-ft
140 Nm
Max Torque per SAE J1349 (net continuous)117.3 lb-ft
159 Nm
Air cleanerDual element, dry type
Air restriction indicatorStandard, progressive type
Engine shutoffKey
Radiator locationRear mounted
Radiator fins10 fins per inch

Fuel system

Fuel typeDiesel
Fuel transfer pumpElectric
Fuel filterReplaceable, spin-on type
Water separatorReplaceable, 100-mesh element
Cold start deviceIncreased timing for better cold starting
Fuel tank capacity22 U.S. gal.
83.3 L
Fuel pump typeMechanical
Fuel neck opening3 in.
7.6 cm
Fuel tank locationLeft side of the machine
Self bleedingSystem is self-bleeding because of the electric fuel transfer pump

Fuel consumption

Full load3.33 U.S. gal./hr
12.7 L/hr
One-half load1.93 U.S. gal./hr
7.31 L/hr

Implement lift

TypeHydraulic, open center
Lift cylindersBore 2 in.
50.8 mm


Charging systemAutomotive type
Alternator75 amp
Battery voltage12 V
Battery cold crank amps675 CCA
Starter size1.9 hp
1.4 kW

Hydraulic system

Traction drive pumpDisplacement, axial piston pump, 3 cu in.
49 cc
MotorDisplacement, axial piston pump, 2 cu in.
33 cc
TypeClosed loop, hydrostatic
Steering relief1,087 psi
Implement relief1,600 psi
Hydraulic reservoir capacity14 U.S. gal.
53 L


Transaxle typeDual range
TransaxleTuff Torque (Kanzaki)
Four-wheel drive (4WD)On demand or full time
Four-wheel drive (4WD) typeMechanical rear-wheel drive
Differential lockMechanical, foot activated
Final drivePlanetary


TypeInternal, wet disc
Steering brakesStandard
Parking brakesHand brake

Travel speed

Low forward speed0-9 mph
0-14.5 km/h
High forward speed0-15 mph
0-24 km/h
Low reverse speed0-4.5 mph
0-7.2 km/h
High reverse speed0-7.5 mph
0-12 km/h

Sound level (without cab)

With deck94 dBA
Without deck89 dBA


Frame typeWelded, tubular steel
Thickness11 gauge
0.12 in.
3 mm


TypePower, hydrostatic
Tilt steering wheelStandard
Turns lock-to-lock2.5
Turning radius39 in.
99 cm

Operator station

SeatAdjustment positions
Yes, adjustable
Air-ride suspension seat, adjustable, deluxe, high-backed, back angle adjustment, lumbar adjustment, standard armrests
SafetySafety interlock and operator presence system


Drive tiresPressure
30 psi , 206.8 kPa (front)
28 psi, 193.1 kPa (rear)
Steering tires (rear)18x9.5-8
Ply rating6 PR (both)


Length (with deck)132 in.
335 cm
Wheel base60 in.
152 cm
Tread width52 in.
131 cm
Width with decks down134 in.
340 cm
Height with rollover protective structure (ROPS)ROPS up, 98 in.
249 cm
ROPS down, 74 in.
188 cm
With four-post canopy ROPS, 82 in.
208 cm
Transport width84 in.
213 cm
Ground clearance6.5 in.
16.5 cm
Vehicle weight4,173 lb
1,892.8 kg
Machine weight without the deck3,264 lb
1,474.2 kg
TypeStandard two-post folding ROPS or four-post canopy ROPS meets ISO21299 standard


Mower liftThree two-function switches
Park brakeFoot pedal/disk
Indicator lightsEngine air heater, oil pressure light, engine temperature light, fuel gauge, hydraulic oil temperature light
Power take-off (PTO) engagementType
Hydraulic, independent
Electric solenoid switch
Power take-off  (PTO) engagement/disengagementElectric solenoid
Deck drive pumpDisplacement, axial piston pump, 2.48 cu in.
40.6 cc
Deck motorType
Hydraulic, open center, closed loop
Displacement, gear motor, 2.5 cu in.
41 cc

Mower decks

Deck drive typeHydraulic, closed loop
SpindlesHeat treated, diameter, 1 in.
2.54 cm
Spindle bearings greaseableYes
Energy-absorbing wing decksYes
Deck circuitSeries
Blade driveC-section, V-belt
Size62, 94, 128 in.
157, 239, 325 cm
Center deck cutting width62 in.
157 cm
Wing deck cutting width42 in.
107 cm
Transport lockStandard
Deck constructionFabricated steel
Deck thickness7 gauge
0.18 in.
4.6 mm
Height-of-cut range1-5.5 in.
2.5-13.9 cm
Wing deck floatUp (while maintaining power take-off (PTO) engagement)
45 degrees
Down (while maintaining power take-off (PTO) engagement)
20 degrees
80 percent field efficiency85% field efficiency at 10 mph
16 km/h
11 acres/hr

Anti-scalp rollers

Wing deck caster wheelsFour, 11x4-5, flat-free
Front deck caster wheelsTwo, 11x4-5, flat-free


Total mower bladesSeven, three center and two each side
Blade length22 in.
55.88 cm
Blade width2.5 in.
6.35 cm
Blade thickness0.312 in.
0.79 cm
Blade tip speed13,000 fpm
3,962 m/min
Interchangeable mower blades between all decksYes

Buyer's notes

Warranty2 years
CertificationANSI B71.4
Date collected12-Oct-2017
1600T undefined Somerset, Chudleigh, Cornwall undefined MASONS KINGS