Contents
Dimensions
| Transport Length (w/ 20 ft unloading auger) | 383.1 in (9730 mm) |
| Transport Length (w/o auger) | 323.2 in (8210 mm) |
| Transport Height | 160.5 in (4080 mm) |
| Height to Top of Cab | 148.4 in (3770 mm) |
| Ground Clearance | 21.6 in (550 mm) |
| Wheelbase | 148.4 in (3770 mm) |
| Transport Width | 180.7 in (4590 mm) |
| Rear Wheel Tread Width | 121.7 in (3090 mm) |
| Front Wheel Tread Width | 118.1 in (3000 mm) |

Separating
| Separator Type | Straw walkers |
| Width (each) | 12.5 in (315.5 mm) |
Cleaning System
| Total Cleaning Area | 6370 in2 (4.11 m2) |
| Chaffer Width | 50.7 in (1286 mm) |
| Chaffer Length | 32.7 in (830 mm) |
| Sieve Width | 50.7 in (1286 mm) |
| Sieve Length | 45.7 in (1159 mm) |
| Precleaner Width | 50.7 in (1286 mm) |
| Precleaner Length | 32.7 in (830 mm) |

Grain Handling
| Grain Tank Capacity | 215 bu (7600 L) |
| Unloading Speed | 120 bu/min (4200 L/min) |
Engine Details
| Number of Cylinders | 6 |
| Engine Make | John Deere |
| Engine Model | John Deere 6081H |
| Displacement | 494.3 cu in (8.1 L) |
| Bore | 4.6 in (116 mm) |
| Stroke | 5.1 in (129 mm) |
| Power | 220 hp (163 kw) |
| Power Boost Power | 253 hp (190 kw) |
| Power Measured @ | 2200 rpm |
| Air Cleaner | Dry type air filter with safety element |
| Aspiration | Turbocharged and air-to-air after cooled |
| Emission Standards | US EPA Tier 1 (US EPA Tier 2) |

Operational Specs
| Operating Weight (w/o attachment) | 24762 lb (11230 kg) |
| Operating Voltage | 12 V |
| Alternator | 95 Amp |
| Battery | 12 V |
| Standard Drive Tire Size | 24.5-32, 12 PR |
| Standard Steering Tire Size | 11.00-24, 8 PR |

Transmission
| Type | 3-speed hydrostatic transmission |
| Number of Gears | 3 |
| Max Working Speed | 7.1 mph (11.4 km/h) |
| Max Travel Speed | 19 mph (30.4 km/h) |
| Service Brakes | Hydraulic shoe |
Service Refill Capacities
| Fuel Tank Capacity | 149 gal (565 L) |
| Engine Oil Capacity w/ filter (SN: -695200) | 7.5 gal (28.5 L) |
| Engine Oil Capacity w/ filter (SN: 700201-) | 8.5 gal (32 L) |
| Cooling System Capacity (SN: -695200) | 7.5 gal (28.5 L) |
| Cooling System Capacity (SN: 700201-) | 10.6 gal (40 L) |
| Hydraulic System Capacity | 9 gal (34 L) |
| Transmission Oil Capacity | 2.5 gal (9.6 L) |
| Final Drive Fluid Capacity (each) | 2.2 gal (8.5 L) |
| Feeder House Reverser Gearcase (SN: -695200) | 0.23 gal (0.9 L) |
| Feeder House Reverser Gearcase w/o cooler (SN: 700201-) | 0.6 gal (2.3 L) |
| Feeder House Reverser Gearcase w/ cooler | 0.9 gal (3.5 L) |
| Primary Countershaft Gearcase | 0.3 gal (1.2 L) |
| Straw Walker Drive Gearcase | 0.1 gal (0.4 L) |
| Dual-Range Cylinder Drive Gearcase | 0.5 gal (1.9 L) |
| Engine Gearcase Fluid Capacity | 4.2 gal (16 L) |
| Loading Auger Gearcase | 1 gal (3.8 L) |
Hello! What is the normal psi in tires when travelling on roads.
Thanks!
Hi, Mike. Here is a list of recommended tire pressures for the front and rear wheels from the official John Deere 9550 owner’s manual:
Drive Tires
18.4R38, two star PR = 30 psi (205 kPa)
18.4R42, three star PR = 36 psi (248 kPa)
20.8R38, two star PR = 30 psi (205 kPa)
20.8R42, two star PR = 30 psi (205 kPa)
20.8-42, 10 PR = 30 psi (205 kPa)
24.5-32, 12 PR = 32 psi (220 kPa)
30.5L-32, 12 PR = 26 psi (180 kPa)
30.5L-32, 16 PR = 34 psi (235 kPa)
68 x 50-32, HF-3, 16 PR = 15 psi (103 kPa)
800/65R32, 172A8 = 40 psi (277 kPa)
35.5L-32, 12 PR = 26 psi (179 kPa)
Steering Tires
11.00-24, 8 PR = 40 psi (275 kPa)
14.9-24, 6 PR = 26 psi (180 kPa)
16.9-26, 10 PR = 36 psi (250 kPa)
16.9-R26, two star PR = 30 psi (205 kPa)
18.4-26, 6 PR = 20 psi (140 kPa)
18.4-R26, two star PR = 30 psi (205 kPa)
18.4-30, 6 PR = 20 psi (140 kPa)
28L-26, 10 PR = 15 psi (103 kPa)
28L-26, 12 PR = 15 psi (103 kPa)
NOTE: Tire pressures listed above may be higher than the tire pressures shown on the side of the tires.