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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 850 COMBINE

Model Specifications

Compressor Type R134 Refrigeration (lbs) Compressor Oil (oz) Compressor Oil Viscosity
A63.210100
R43.28100
Seltec Kit2.75 - 3.08150

A/C Hose

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Suction Hose - Cab End

843584M91

Serial Number 1696023661 and Below

Receiver Drier to Cab Hose

843727M91

Serial Number 1696025658 and Above

Receiver Drier to Cab Hose

843735M91

Serial Number 1696025657 and Below

Suction Hose - Compressor End

843766M92

Serial Number 1696027492 and Below

Compressor to Condenser Hose

843768M93

Serial Number 1696025657 and Below

Hi Side Liquid Cab Hose

843927M91

Serial Number 1696023661 and Below

Hi Side Liquid Cab Hose

844322M91

Serial Number 1696023662 to 1696025657

Suction Hose - Cab End

844462M91

Serial Number 1696023662 to 1696025657

Hi Side Liquid Cab Hose

762191M1, 844516M91

Serial Number 1696025658 and Above

Suction Hose - Cab End

844517M91

Serial Number 1696025658 and Above

Compressor to Condenser Hose

844519M91

Serial Number 1696025658 to 1696027492

Suction Hose - Compressor End

285585M91

Serial Number 1696027493 and Above

Compressor to Condenser Hose

285586M91

Serial Number 1696027493 and Above

Belts

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Compressor Belt

529964M1

Serial Number 169625657 and Below

Compressor Belt

161437M1

Serial Number 169625658 and Above

Blower Motors

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Condenser Motor

284573M2

Serial Number 1696027693 and Below

Heater Blower Motor

1024737M91

Serial Number 1696023661 and Below

Blower Motor - Heavy Duty

1048515M91, 72162089

All Serial Numbers, 3/8" Double Shaft 4 Wire Ball Bearing Motor

Blower Motor Assembly

271047M91, 525444M1, 837170M91

High Efficiency Replacement Blower Assembly

Heater Blower Motor Fan Blade

1035337M91

Serial Number 1696023661 and Below

Condenser Motor Fan Blade

284574M91

Serial Number 1696027693 and Below

Condenser Motor

293818M1

Serial Number 1696027694 and Above

Cab Kit Components

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Massey Ferguson Combine Floor Mat - 5/8" Thick Floor Mat

285960M1, 265998M2

5/8" Thick Floor Mat with Inner Sound Barrier, 1/8" Textured Rubber Top with a 1/2" Foam Bottom

Cab Kits

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Massey Ferguson Lower Cab Kit with Headliner - Black Basketweave

265931M2, 280117M2, 265932M1, 265929M1, 280484M1, 280485M1, 280486M1, 278243M1

Serial Number 1696-027-544 and Below

Compressor Clutches

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New Clutch Without Coil - A6 6.77" 1 Groove

1056272M91

Serial Number 1696025658 to 1696027492

Heavy Duty S6 Clutch - 142mm, 1 Groove, 12V

Fits Heavy Duty Delco Replacement, 500-075

New Clutch Without Coil - R4

837598M91

Serial Number 1696027493 and Above

Compressor Components

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Shaft Seal Kit - A6

836982M91

Serial Number 1696027492 and Below, With Steel Wear Plate

Clutch Bearing - R4, A6

1062941M1, 533720M91

A6 Clutch Repair Kit

Serial Number 1696025657 and Below - Fits Original A6 Compressor

New Clutch Coil - A6

1042298M91

Serial Number 1696027492 and Below - Fits Original A6 Compressor

Compressor/Conversion Kits

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A6 To Sanden Conversion Kit 12V

Requires Original Bracket Modification

Compressors

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Reman A6, New Clutch

586126M91, 533713M91

Serial Number 1696025657 and Below

Reman A6, New Clutch, No Oil, 6.77" 1 Groove

771810M91

Must Identify Clutch Diameter
Serial Number 1696025658 to 1696027492

Heavy Duty A6 Compressor

586126M91, 533713M91

Serial Number 1696025657 and Below

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

Condensers

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Condenser

237413M91

Serial Number 1696025657 and Below

Condenser

284016M91

Serial Number 1696025658 and Above

Evaporators

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Evaporator

265792M1

Serial Number 1696023661 and Below

Evaporator With Heater Core

284572M1

Serial Number 1696025658 and Above

Expansion Valves

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Expansion Valve, O-Ring

3038920M91

Serial Number 1696025657 and Below

Expansion Valve, O-Ring

284238M1

Serial Number 1696025658 and Above

Radiators

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Radiator

259950M2

With A6-372-4 Engine All Serial Numbers

Radiator

259951M2, 280721M2

With AT6-354.4 Engine All Serial Numbers

Rec Driers/Accumulators

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Receiver Drier, O-Ring

237411M91

Serial Number 1696025657 and Below

HD Dry-Tech Receiver Drier, O-Ring

284208M91

Serial Number 1696025658 and Above

Aftermarket Receiver Drier, O-Ring

284208M91

Serial Number 1696025658 and Above

Switches/Electrical

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Thermostatic Switch

285291M1

All Serial Numbers

Compressor Wire Harness - A6

266904M92

Serial Number 1696025657 and Below, A6, S6 Compressor - Used with Original Super Heat Switch Only

Clutch Voltage Protection Kit

Serial Number 1696025657 and Below, Use with OE A6, 500-001

Thermal Limiter Fuse - A6

286127M1

All Serial Numbers

High Pressure Switch - A6, R4

837492M91

Serial Number 1696025658 and Above

A6 Pressure Switch Kit

Serial Number 1696025657 and Below, Mounts In The Pressure Relief Valve Port On The Rear Head

Blower Switch - A/C

285270M1

All Serial Numbers

Blower Switch - Heater

517023M91

Serial Number 1696023661 and Below

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