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John Deere 4940

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Our largest and most productive sprayer, the 4940 offers a host of labor-saving options, all designed to keep you spraying, accurately and efficiently, through long days of spraying. And with our comfortable cab and convenient controls, spraying almost won’t feel like work at all.


Model 4940
Make John Deere
Peak rated power 253.5 kW
  340 hp
Emissions Interim Tier IV
Number of cylinders 6
Displacement 9.0 L
  549 cu in.
Alternator 200 amp
Fuel tank capacity 587 L
  155 gal.
Diesel exhaust fluid (DEF) tank capacity Not required
Solution system  
Capacity 4542 L
  1200 gal.
Tank material Stainless steel
Rinse tank capacity 644 L
  170 gal.
Quick fill size 7.6 cm
  3 in.
Automatic section control Section Control Pro (optional)
Solution system control Automatic
Fill location Side and front fill with Load Command
Chemical injection method Direct injection (optional)
Chemical eductor Stainless steel
Chemical eductor capacity (size) 19 (30 optional) L
Flow meter size 2 in.
Suction strainer 20 mesh
Pressure strainer 50 mesh
Boom strainer 80 mesh
Rate control make  
Boom length options 90, 100, 120 ft
  27.4, 30.4, 36.5 m
Automatic boom height BoomTrac Pro (5 sensor)
Plumbing material Stainless steel (Polyethylene optional)
Ground height adjustment 61-231 cm
  24-84 in.
Breakaway width Full boom standard, tip 4 m
  Full boom standard, tip 13 ft
Boom sections 120 boom, 11; 100 boom, 7; 90 boom, 5 ft
Type Hydrostatic
Drive Full-time 4WD
Shifting Electrohydraulic
Hydraulic reservoir capacity 97.3 L
  25.7 gal.
Spray speed range 0-32 km/h
  0-20 mph
Transport speed, maximum 56 km/h
  35 mph
Dry compatible Yes
Suspension 4-wheel independent strut-type with air springs
Crop clearance with standard tires 127 cm
  50 in.
Front tires 380/105R50, IF380/105R50, 480/105R50
Rear tires 380/105R50, IF380/105R50, 480/105R50
Flotation tires 620/70R46
Hydraulic tread adjust Standard
Wheel tread spacing 305-406 cm
  120-160 in.
Wheel base 432 cm
  170 in.
Turning radius 9.1 m
  30 ft
Parking brake Spring-engaged, hydraulic-disengaged disk pack
Primary brakes Hydrostatic
Ladder raise/lower Automatic
Total weight with 80-ft boom N/A
Total weight with 90-ft boom 15,776 kg
  34,780 lb
Total weight with 100-ft boom 15,889 kg
  35,030 lb
Total weight with 120-ft boom 16,225 kg
  35,770 lb
Air compressor Onboard air (standard)
Foam marker capacity 5.7 air injection foamer L
  1.5 air injection foamer gal.
Remote service tools