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  • AP AIR, INC.
  • 805 13th Street North
  • Humboldt, IA 50548
  • 800-806-5312
  • 1101 Center Street
  • Redding, CA 96001
  • 855-984-8511

MASSEY FERGUSON 550 COMBINE

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
A63.210100
Sanden Kit2.75-3.08100

A/C Hose

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Compressor to Condenser Hose

268462M91

Serial Number 236305947 and Above

Suction Hose - Cab End

843584M91

All Serial Numbers

Compressor to Condenser Hose

843745M93

Serial Number 236305946 and Below

Receiver Drier to Cab Hose

844351M91

Serial Number 236305947 and Above

Suction Hose - Compressor End

268461M91

Serial Number 236305947 and Above

Hi Side Liquid Cab Hose

843583M91

All Serial Numbers

Receiver Drier to Cab Hose

843587M91

Serial Number 236305946 and Below

Suction Hose - Compressor End

843746M92

Serial Number 236305946 and Below

Belts

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A/C Belt

227976M1

Length - 54"

Blower Motors

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Condenser Motor

284573M2

Serial Number 236305947 and Above

Blower Motor

249743M91

All Serial Numbers

Condenser Motor Fan Blade

250937M92

Serial Number 236305946 and Below

Condenser Motor

274939M3

Serial Number 236305946 and Below

Condenser Motor Fan Blade

284574M91

Serial Number 236305947 and Above

Compressor Clutches

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A6 Clutch - 142mm, 1 Groove, 12V

533719M91

Serial Number 236305946 and Below - Fits Original A6 Compressor

Heavy Duty A6 Clutch - 142mm, 1 Groove, 12V

Fits Heavy Duty Delco Replacement, 500-075

New Clutch Without Coil - R4

837598M91

Serial Number 236305947 and Above

Compressor Components

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Shaft Seal Kit - A6

836982M91

Serial Number 236305946 and Below, With Steel Wear Plate

Shaft Seal Kit - A6

836982M91, 837596M91

With Ceramic Wear Plate

Clutch Bearing - R4, A6

1062941M1, 533720M91

New Clutch Hub Dust Cover - A6

533722M91

Serial Number 236305946 and Below - Fits Original A6 Compressor

A6 Clutch Repair Kit

Serial Number 236305946 and Below - Fits Original A6 Compressor

New Clutch Coil - A6

1042298M91

Serial Number 236305946 and Below - Fits Original A6 Compressor

Compressor/Conversion Kits

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Massey Ferguson Conversion

Replaces R4 and A6 with Sanden Compressor

Compressors

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Reman A6, New Clutch

586126M91, 533713M91

Serial Number 236305946 and Below

New A6, New Clutch, Mineral Oil, 5.58" 1 Groove

586126M91, 533713M91

Serial Number 236305946 and Below

Heavy Duty A6 Compressor

586126M91, 533713M91

Serial Number 236305946 and Below

Can Use HD A6 Replacement with Hi & Lo Pressure Switches - 500-0752

Condensers/Oil Coolers

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Condenser

237413M91

Serial Number 236305946 and Below

Condenser

284016M91

Serial Number 236305947 and Above

Evaporators

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Evaporator

280973M1

All Serial Numbers

Expansion Valves

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Expansion Valve, O-Ring

3038920M91

All Serial Numbers

Rec Driers/Accumulators

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Receiver Drier, O-Ring

237411M91

Serial Number 236305946 and Below

OE Parker Receiver Drier, O-Ring

284208M91

Serial Number 236305947 and Above

Aftermarket Receiver Drier, O-Ring

284208M91

Serial Number 236305947 and Above

Switches/Electrical

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Blower Switch

250696M1

All Serial Numbers

Thermostatic Switch

250698M1

All Serial Numbers

Compressor Wire Harness - A6

266904M92

Serial Number 236305946 and Below, A6, S6 Compressor - Used with Original Super Heat Switch Only

Clutch Voltage Protection Kit

Serial Number 236305946 and Below, Use with OE A6, 500-001

Thermal Limiter Fuse - A6

286127M1

All Serial Numbers

High Pressure Switch - A6, R4

837492M91

Serial Number 236305947 and Above

A6 Pressure Switch Kit

Serial Number 236305946 and Below, Mounts In The Pressure Relief Valve Port On The Rear Head

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