John Deere 1550 TerrainCut™ Front Mower

  • 7-Iron™ PRO Side Discharge or Fastback™ Rear Discharge Deck
  • Diesel Engine
  • Biodiesel Conversion Kit available
  • Compatible with select front blade, snow blower and broom attachments


+ Diesel engine has high-quality features to minimize operating cost

+ Welded frame structure is made of high-strength steel

+ Serviceability is designed-in to reduce maintenance cost and increase uptime

+ Hydrostatic transmission and transaxle are heavy-duty to maximize uptime

+ Front mower ballast requirements

+ Two-function mechanical rear-wheel drive for optimum use of the four-wheel drive feature

+ Mower decks for TerrainCut™ Front Mowers match a wide variety of needs

+ Front mower seat has standard arm rests for added comfort and productivity

+ Easy-to-operate controls maximize productivity


Manufacturer 3TNV80F
Horsepower Gross
PS, 24.2 hp
17.8 kW
Rated engine rpm 3,000 rpm
Cylinders Three
Displacement 77 cu in.
1.26 L
Maximum torque At 1,900 rpm, 47.2 lb-ft
64 Nm
Injection Indirect
Fuel type Diesel (optional kit permits B20 compatibility)
Fuel capacity 16 U.S. gal.
60.6 L
Cooling Liquid
Cooling capacity 7.5 U.S. qt
7.1 L
Air cleaner Dual element dry type
Air restriction indicator Standard
Charging system Automotive type
Alternator, amp 75 amp
Battery 12 V

Power Train

Type Hydrostatic 2WD, optional full time or on demand 4WD
Speed and direction control Two-pedal foot
Cruise control Optional
Hi/Lo range No, single speed transmission
Hi forward 0-12 mph
0-19.3 km/h
Lo forward
Hi reverse 0-5 mph
0-8 km/h
Lo reverse
4-wheel drive On demand
YesFull time
Differential lock Yes
PTO Front
PTO clutch Wet multi-disk, modulated
PTO drive output 2,000 rpm
Final drives


Type Open center
Pump capacity 5.1 U.S. gpm
19.3 L/min
Spool valve Front lift, standard
Lift cylinders Two


Type Hydraulic cylinder
Turns lock-to-lock 2 maximum, 1.5 minimum


Type Internal wet disk
Individual turn brakes Standard
Master brake Standard, locking

Tire size

Drive 23x10.5-12, Optional: 23x8.5-12
Steering 18x8.5-8 (2WD), 18x8.5-10 (4WD)

Weight transfer

Type Optional hydraulic


Wheelbase 49.2 in.
125 cm
Ground clearance 6.5 in.
16.5 cm
Length Less mower deck, 86.7 in.
220.2 cm
Overall width With 23x10.5 tires, 51.7 in.
131.3 cm
ROPS Standard (folding)
ROPS certification 2-POST: OSHA 1928; Canadian Std.: CSA-352; 4-POST: SAE J2194; EU Standard: 86/298/EEC; ISO 21299:2009
Overall height with ROPS 82.7 in.
210 cm
Overall height with ROPS folded 58 in.
147 cm
Shipping weight Net weight, 2wd without mower or fuel, 1,675 lb
760 kg
Net weight, 4wd without mower or fuel, 1,835 lb
832 kg

Mower decks (side discharge)

Construction One-piece stamped: 7-Iron PRO
Deck thickness 7 gauge
0.18 in.
4.6 mm
Cutting width 60, 72 in.
152, 183 cm
Deck offset Yes
Cutting height 1-6 in.
2.54-15.24 cm
Belt tensioning Spring loaded
Blade tip speed 18,000 fpm
5,486 m/min
Caster wheels Type
Flat freeSize
Front anti-Scalp rollers Yes, gauge wheels
Rear anti-scalp rollers Yes, gauge wheels
Shipping weight

Mower deck (rear discharge)

Cutting width 62, 72 in.
157, 183 cm
Cutting height 1-6 in.
2.5-15.2 cm
Caster wheels Type
Flat freeSize
Shipping weight

Additional information

Date collected 25-Apr-2017