×
Quick Equipment Search
Equipment Fliter










used search tag used search tag

AUTO TRAC

AutoTrac™ Activation

  • Make long days easier with equipment and technology that works together for you.
  • Increase productivity by being able to cover more ground.
  • Reduce overlap and maximize inputs.
  • Reduce fatigue and improve operator experience 

View Product Brochure



Features



Specifications


Accessories and Attachments

AutoTrac™ Integrated Machine Kits

AutoTrac Tractor Base Kit - 6110M, 6120M, 6130M, 6135M, 6145M, 6155M, 6175M, 6195M - 049GPCBPF10996

AutoTrac Tractor Hydraulic Kit - 6110M, 6120M, 6130M - 049GPCBPF11426

AutoTrac Tractor Hydraulic Kit - 6135M, 6145M - 049GPCBPF10997

AutoTrac Tractor Hydraulic Kit - 6155M - 049GPCBPF11257

AutoTrac Tractor Hydraulic Kit - 6175M, 6195M - 049GPCBPF11258

AutoTrac Tractor Machine Kit - 6175R, 6195R models with MFWD - 049GPCBPF10683

AutoTrac Tractor Machine Kit - 9R Series Wheel Scraper Tractor - 049GPCBPF10629

AutoTrac Tractor Wheel Angle Sensor - 6110M, 6120M, 6130M, 6135M, 6145M, 6155M, 6175M, 6195M - 049GPCBPF11239

AutoTrac and GreenStar Ready Field Kit - Hagie Sprayers - 049GPCBPF11531

AutoTrac™ Combine Machine Kit - 50 Series (PIN 695101 and above) - 049GPCPF90876

AutoTrac™ Combine Machine Kit - 60 Series - 049GPCPF90875

AutoTrac™ Combine Machine Kit - 70 Series - 049GPCPF90629

AutoTrac™ Electrical Connector Assembly - 7020 or 7015 Models - 049GPCPF90495

AutoTrac™ Sprayer Machine Kit - 4700 Models - 049GPCPF90320

AutoTrac™ Sprayer Machine Kit - 4710 Models (PIN 004000 and above) - 049GPCPF91109

AutoTrac™ Sprayer Machine Kit - 4720 Models - 049GPCPF90808

AutoTrac™ Sprayer Machine Kit - 4730 or 4830 Models - 049GPCPF90633

AutoTrac™ Sprayer Machine Kit - 4920 (PIN 004000 and above) or 4930 Models - 049GPCPF90809

AutoTrac™ Sprayer Machine Kit - 4920 Models (PIN 003999 and below) - 049GPCPF90811

AutoTrac™ Tractor King Pin Kit - 6105R, 6115R, or 6125R Models with mechanical front-wheel drive (MFWD) - 049GPCBPF10616

AutoTrac™ Tractor King Pin Kit - 6140R or 6150R Models with MFWD - 049GPCBPF10560

AutoTrac™ Tractor Machine Kit - 6030 or 7030 Premium Series with MFWD - 049GPCBPF10039

AutoTrac™ Tractor Machine Kit - 6105R, 6115R, or 6125R Models with MFWD - 049GPCBPF10513

AutoTrac™ Tractor Machine Kit - 6110R, 6120R, 6130R (FT4) with MFWD - 049GPCBPF10989

AutoTrac™ Tractor Machine Kit - 6135R model with MFWD - 049GPCBPF10987

AutoTrac™ Tractor Machine Kit - 6140R or 6150R Models with MFWD - 049GPCBPF10387

AutoTrac™ Tractor Machine Kit - 6145R, 6155R models with MFWD - 049GPCBPF10985

AutoTrac™ Tractor Machine Kit - 6170R, 6190R or 6210R Models with MFWD - 049GPCBPF10345

AutoTrac™ Tractor Machine Kit - 7020 or 7015 Models with mechanical front-wheel drive (MFWD) - 049GPCPF90496

AutoTrac™ Tractor Machine Kit - 7220 or 7320 Models with MFWD - 049GPCPF90569

AutoTrac™ Tractor Machine Kit - 7420 or 7520 Models with MFWD - 049GPCPF90570

AutoTrac™ Tractor Machine Kit - 7630, 7730, 7830 or 7930 Models with MFWD - 049GPCPF90894

AutoTrac™ Tractor Machine Kit - 7720 or 7820 Models with MFWD and IVT Transmission - 049GPCPF90891

AutoTrac™ Tractor Machine Kit - 7720 or 7820 Models with MFWD and PowrQuad Transmission - 049GPCPF90893

AutoTrac™ Tractor Machine Kit - 7920 Models with MFWD and IVT Transmission - 049GPCPF90892

AutoTrac™ Tractor Machine Kit - 8000 Series with MFWD (all PINs) - 049GPCPF90863

AutoTrac™ Tractor Machine Kit - 8000T Series - 049GPCPF90396

AutoTrac™ Tractor Machine Kit - 8010 Series with MFWD (all PINs) - 049GPCPF90862

AutoTrac™ Tractor Machine Kit - 8010T Series (All PINs) or 8020T Series (PIN 902000 and below) - 049GPCPF90395

AutoTrac™ Tractor Machine Kit - 8020 Series with Independent-Link Suspension (ILS™) (all PINs) - 049GPCPF90861

AutoTrac™ Tractor Machine Kit - 8020 Series with MFWD (all PINs) - 049GPCPF90497

AutoTrac™ Tractor Machine Kit - 8030 Series with Independent-Link Suspension (ILS™) 40 km/h (PIN 005467 and above) - 049GPCPF90820

AutoTrac™ Tractor Machine Kit - 8030 Series with Independent-Link Suspension - 40 km/h (PIN 005466 and below) - 049GPCPF90818

AutoTrac™ Tractor Machine Kit - 8030 Series with MFWD (PIN 005466 and below) - 049GPCPF90817

AutoTrac™ Tractor Machine Kit - 8030 Series with MFWD (PIN 005467 and above) - 049GPCPF90819

AutoTrac™ Tractor Machine Kit - 9000 Series Wheel (PIN 039999 and Below) with Manual Shift Transmission - 049GPCPF90311

AutoTrac™ Tractor Machine Kit - 9000 or 9020 Series - 049GPCPF90670

AutoTrac™ Tractor Machine Kit - 9000T Series (PIN 902000 and below) - 049GPCPF90397

AutoTrac™ Tractor Machine Kit - 9000T Series (PIN 902001 and above) or 9020T Series (PIN 901171-902000) - 049GPCPF90398

AutoTrac™ Tractor Machine Kit - 9020 Wheel (PIN 010444 and Above) / 9020 Wheel (all PINs) - 049GPCPF90671

AutoTrac™ Tractor Machine Kit - 9020T Series (PIN 901170 and below) - 049GPCPF90399

AutoTrac™ Tractor Machine Kit - 9030 Series Wheel Scraper Tractor - 049GPCPF90849

AutoTrac™Sprayer Machine Kit - 4710 Models (PIN 003999 and below) - 049GPCPF90810

Self-Propelled Forage Harvester (SPFH) Guidance Base Kit - 7000, 7050 and 7080 Series - 049GPCBZ100079

Self-Propelled Forage Harvester (SPFH) Guidance Base Kit - 7000, 7050 and 7080 Series - 049GPCBZ100194

Self-Propelled Forage Harvester (SPFH) Steering System Unit (SSU) Controller - 7000, 7050 and 7080 Series - 049GPCBZ100196

AutoTrac™ RowSense™ Kits for Mechanical Feelers

AutoTrac™ RowSense™ Mechanical Feelers (20-in. row spacing) - 049GPCPF90699

AutoTrac™ RowSense™ Mechanical Feelers (22-in. row spacing) - 049GPCPF90700

AutoTrac™ RowSense™ Mechanical Feelers (45-cm row spacing) - Argentina and Brazil - 049GPCBPF10266

AutoTrac™ RowSense™ Mechanical Feelers (70-cm row spacing) - 049GPCPF90698

AutoTrac™ RowSense™ Mechanical Feelers 30 inch (76 cm) Row Spacing - 049GPCPF90697

AutoTrac™ RowSense™ Retrofit Kit - Combine - 049GPCPF90755

AutoTrac™ RowSense™ Retrofit Kit - Corn Head - 049GPCPF90757

AutoTrac™ RowSense™ Kits for Universal Sensor

AutoTrac™ RowSense™ Kit for Universal Sensor - Combine - 049GPCPF90742

AutoTrac™ RowSense™ Universal Sensor - 049GPCPF91001

Case IH Corn Head Mounting Hardware - 2200, 2400, 3200, 3400 Series 30 in. - 049GPCPF90844

Drago Corn Head Mounting Hardware - All Series 762 mm (30 in.) - 049GPCPF90977

Geringhoff™ Corn Head Mounting Hardware - NorthStar or Rota Disc Series 762 mm (30 in.) - 049GPCPF90978

John Deere Corn Head Mounting Hardware - 600 Series 30 in and 75 cm - 049GPCPF90843

John Deere Corn Head Mounting Hardware - 90 Series 762 mm (30 in.) (MY 2002-2007) - 049GPCPF90794

John Deere Corn Head Mounting Hardware - 90 Series 762 mm (30 in.) (MY1994-2001) - 049GPCPF91002

AutoTrac™ Universal Supplemental Kits

ATU Supplemental Kit - 5R Tractor - 049GPCBPF11540

AutoTrac Steering Supplemental Kit - CB - 049GPCBPF11793

AutoTrac Supplemental Steering Kit - "AC" - 049GPCBPF11275

AutoTrac Universal Steering Supplemental Kit - "Y" - 049GPCBPF10791

AutoTrac Universal Steering Supplemental Kit - Case CS Row Crop Tractor - 049GPCBPF11795

AutoTrac Universal Steering Supplemental Kit - J - 049GPCBPF11794

AutoTrac Universal Steering Supplemental Kit - Q - 049GPCPF90548

AutoTrac™ Universal 200 Auxiliary Resume Switch - 049GPCPF90453

AutoTrac™ Universal Horn Kit - Claas E/CH Track Tractors - 049GPCPF90452

AutoTrac™ Universal Hub and Anti-Rotation Bracket - 049GPCPF90560

AutoTrac™ Universal Hub, Anti-Rotation Bracket and Hardware - 049GPCPF90476

AutoTrac™ Universal Hub, Auto-Rotation Bracket and Horn Switch Kit - 049GPCPF90565

AutoTrac™ Universal Original GreenStar™ Display Slotted Bracket - 049GPCPF90449

AutoTrac™ Universal Steering Supplemental Kit - Case Magnum/Maxxum, STX 4WD - 049GPCPF90411

AutoTrac™ Universal Steering Supplemental Kit - "AA - 049GPCBPF12133

AutoTrac™ Universal Steering Supplemental Kit - B - 049GPCPF90518

AutoTrac™ Universal Steering Supplemental Kit - C - 049GPCPF90510

AutoTrac™ Universal Steering Supplemental Kit - D - 049GPCPF90437

AutoTrac™ Universal Steering Supplemental Kit - Deutz-Fahr Tractors - 049GPCPF90505

AutoTrac™ Universal Steering Supplemental Kit - E - 049GPCPF90451

AutoTrac™ Universal Steering Supplemental Kit - F - 049GPCPF90448

AutoTrac™ Universal Steering Supplemental Kit - G - 049GPCPF90454

AutoTrac™ Universal Steering Supplemental Kit - H - Case Magnum - 049GPCPF90455

AutoTrac™ Universal Steering Supplemental Kit - I - Case IH Steiger - 049GPCPF90466

AutoTrac™ Universal Steering Supplemental Kit - K - 049GPCPF90464

AutoTrac™ Universal Steering Supplemental Kit - L - 049GPCPF90468

AutoTrac™ Universal Steering Supplemental Kit - M - Claas Lexion/Jaguar - 049GPCPF90512

AutoTrac™ Universal Steering Supplemental Kit - N - Claas Lexion - 049GPCPF90504

AutoTrac™ Universal Steering Supplemental Kit - O - 049GPCPF90544

AutoTrac™ Universal Steering Supplemental Kit - P - 049GPCPF90470

AutoTrac™ Universal Steering Supplemental Kit - R - 6x10/6x50 SPFH - 049GPCPF90557

AutoTrac™ Universal Steering Supplemental Kit - S - 049GPCPF90608

AutoTrac™ Universal Steering Supplemental Kit - T - 049GPCPF90609

AutoTrac™ Universal Steering Supplemental Kit - U - 049GPCPF90509

AutoTrac™ Universal Steering Supplemental Kit - V - 049GPCPF90547

AutoTrac™ Universal Steering Supplemental Kit - W - 049GPCPF90890

AutoTrac™ Universal Steering Supplemental Kit - X - 049GPCPF90889

AutoTrac™ Universal Steering Supplemental Kit Z - 049GPCBPF10848

FT4 GreenStar Harness - 049GPCBPF11129

AutoTrac™ Vision and AutoTrac™ RowSense™

AutoTrac RowSense Extension Kit - 049GPCBPF11507

AutoTrac RowSense High Clearance Extension Kit - 049GPCBPF11524

CAN Bus Extension Harness for AutoTrac Vision - Tractors - 049GPCBPF11737

Video Extension Harness for AutoTrac Vision - Tractors - 049GPCBPF11773

Video Harness - 4 Series Sprayers - 049GPCBPF11563

Gen 4 Kits

Gen 4 4640 and 4240 Universal Display Mount – Open Station and Non-Deere Machines - 0.5" (12.7mm) to 1.0" (25.4mm) - 049GPCBPF11873

Gen 4 Extended Monitor Cable - .6 Meter - 049GPCBPF11526

Gen 4 and GreenStar™ Displays Bracket for Single Display - Tractor and Sprayer - 049GPCBPF12124

GreenStar 3 2630 to Gen 4 4640 Conversion Kit - 4630, 4730, 4830, 4930, R4023 Sprayers - 049GPCBPF11814

GreenStar 3 2630 to Gen 4 4640 Conversion Kit - 4730, 4830, 4940 Sprayers - 049GPCBPF11815

GreenStar 3 2630 to Gen 4 Conversion Kit - R4030, R4038, R4045 Sprayers - 049GPCBPF11816

Harness - John Deere 4640 Universal Display to Machine 19 way to 26 way Connector - 049GPCBPF11527

Harness for 4600 CommandCenter™ Third-Party Controller Kit - 049GPCBPF11878

John Deere 4640 Universal Display and Extended Monitor Bracket - 049GPCBPF11445

John Deere 4640 or 4240 Universal Display Mounting Adapter - 70 Series Combine - 049GPCBPF11839

GreenStar™ Brackets

Bracket - GreenStar™ Dual Display - 049GPCPF90430

Combine StarFire™ Position Receiver Bracket - 50 Series - 049GPCPF10758

Combine StarFire™ Position Receiver Bracket - 60 Series - 049GPCAH211594

Deluxe Shroud Conversion Bracket Kit - 049GPCPF91009

Deluxe Shroud Conversion Bracket Kit - 049GPCPF91010

Deluxe Shroud Conversion Bracket Kit - 6020 or 6030 Series or Small Frame 7000, 10, 20, or 30 Series Tractors - 049GPCPF90780

Deluxe Shroud Conversion Bracket Kit - RTK Base Station and Tripod - 049GPCPF90781

GreenStar Tractor Harness Bundle - 6B Tractors - 049GPCBPF11184

GreenStar and Gen 4 Cornerpost Bracket – S, W and T-Series Combines - 049GPCBPF11186

GreenStar™ Bracket Kit - 60 or 70 Series Combines and 4095 or 400 Series Windrowers - 049GPCPF90500

GreenStar™ SPFH Bracket Kit - 049GPCAZ103900

GreenStar™ Tractor Bracket Kit - 7720-7920 Models and 8000, 8010, 8020 Series - 049GPCBPF12227

GreenStar™ Tractor Bracket Kit - 9020 Series - 049GPCBPF12228

GreenStar™ Tractor Bracket Kit - 9020 Wheel or 9020 Track Series - 049GPCBPF12229

Position Receiver Bracket and Connector Kit - 049GPCPF90758

Sprayer StarFire™ Position Receiver Bracket - 4930 or 4720 Models - 049GPCRE221798

StarFire Receiver Bracket Bundle - 049GPCBPF11185

StarFire Receiver Bracket Kit - (MY13-MY16) 6M Tractors - 049GPCBPF11274

StarFire Receiver Universal Mounting Bar Kit - 049GPCBPF11356

StarFire™ Receiver Deluxe Shroud - 049GPCPF90739

GreenStar™ Harnesses

AutoTrac Universal 300 Adapter Harness - 049GPCBPF11855

GreenStar Cab Roof Harness - 6110M, 6120M, 6130M, 6135M, 6145M, 6155M, 6175M, 6195M - 049GPCBPF10995

GreenStar Harness Kit for Non-GreenStar Ready Machines and Open Operator Stations - 049GPCBPF11850

GreenStar Mobile Guidance Kit - John Deere or Competitive Models - 049GPCBPF10302

GreenStar Power Harness - 6110M, 6120M, 6130M, 6135M, 6145M, 6155M, 6175M, 6195M - 049GPCBPF10994

GreenStar RS232 Harness Kit - 049GPCBPF11859

GreenStar Ready Harness Kit - 6M (MY16) FT4 Cab - 049GPCBPF11333

Harness - John Deere 4640 Universal Display, GreenStar 2, and GreenStar 3 Displays 19 way to 26 way Connector - 049GPCPF90687

Harness - Field Doc™ Connect - 049GPCPF90277

Harness - GreenStar or Gen 4 Desktop Bundle - 049GPCPF90701

Harness - GreenStar or John Deere 4640 Universal Display - 35 Foot Extension - 049GPCPF90768

Harness - GreenStar™ ISO Implement - Row Crop Tractors - 049GPCRE174725

Harness - John Deere 4640 Universal Display, GreenStar 3 or GreenStar 2 Display to Original GreenStar Machine Connector - 049GPCPF90688

Harness - Original GreenStar™ Display and Mobile Processor to GreenStar™ 3 or GreenStar™ 2 (Round) Cornerpost - 049GPCPF90686

Harness - StarFire™ Position Receiver Extension (30 cm) - 049GPCBPF10200

Harness - StarFire™ Position Receiver Radar Adapter - 049GPCPF90350

Harness - StarFire™ Position Receiver to Cab Roof Bulkhead Connector - 049GPCPF80722

Harness – Gen 4 4640 Universal Display or GreenStar™ 3 or GreenStar™ 2 Third-Party Controller Kit - 049GPCPF90363

GreenStar™ Implement Control Kits

Active Implement Guidance Closed Center Valve - 049GPCBPF10383

Active Implement Guidance Counterbalance Valve - 049GPCBPF10548

Active Implement Guidance External Selective Control Valve (SCV) Switch and Harness Kit - 049GPCBPF10356

Active Implement Guidance External Valve Bracket Kit - 049GPCBPF10352

Active Implement Guidance Implement Feedback Harness (4 m) - 049GPCBPF10032

Active Implement Guidance Implement Feedback Harness Extension (9 m) - 049GPCBPF10019

Active Implement Guidance Implement Feedback Sensor - 049GPCBPF10024

Active Implement Guidance Open Center Valve - 049GPCBPF10382

Auxiliary Power Extension Harness (21 m) - 049GPCPF90593

Bracket Assembly - John Deere 2510 Series Applicators - 049GPCPF90826

CAN Front Extension Harness (12 m) - 049GPCPF90553

Center Extension Harness (2 m) - 049GPCPF90588

Center Extension Harness (8 m) - 049GPCPF90589

Front Extension Harness (10 m) - 049GPCBPF11284

Front Extension Harness (3 m) - 049GPCBPF11285

High Current Power Adapter Harness - Four-wheel drive (4WD) Tractor - 049GPCPF90822

High Current Power Adapter Harness - Row Crop Tractor - 049GPCPF90795

High Current Power Extension Harness (10 m) - 049GPCPF90824

High Current Power Extension Harness (3 m) - 049GPCPF90825

Implement Lateral Error Demo Kit - 049GPCBPF11544

Implement Mast - For universal use on 177.8-mm or 203.2-mm (7-in. or 8-in.) Frame Tubes - 049GPCPF90524

Implement Mast - For universal use on 76.2-mm, 101.6-mm, 127-mm, 152.4-mm (3-in., 4-in., 5-in. or 6-in.) Frame Tubes - 049GPCPF90523

Implement Mast - John Deere CCS™ Planter With Refuge Plus™ Tank (MY2006 and newer) - 049GPCPF90549

Implement Mast - John Deere CCS™ Planter without Refuge Plus™ Tank (MY2004 and newer) - 049GPCPF90525

Implement Receiver Harness - 049GPCPF90538

John Deere Application Controller Mounting Hardware - 6R FT4 - 049GPCBPF11686

John Deere Application Controller Mounting Hardware - 7R - 049GPCBPF10732

John Deere Application Controller Mounting Hardware - 8000, 8010 and 8R Wheeled Series Tractors - 049GPCBPF10041

John Deere Application Controller Mounting Hardware - 8000T and 8010T Series Tractors - 049GPCBPF10020

John Deere Application Controller Mounting Hardware - 8020 Wheeled Series Tractors - 049GPCBPF10022

John Deere Application Controller Mounting Hardware - 8020T Series Tractors - 049GPCBPF10021

John Deere Application Controller Mounting Hardware - 8RT Series Tractors - 049GPCBPF10042

John Deere Application Controller Mounting Hardware - 9000 and 9020 Wheeled and Track Series - 049GPCBPF10023

John Deere Application Controller Mounting Hardware - 9R, 9RT - 049GPCBPF11173

Power Extension Harness (11 m) - 049GPCPF90592

Power Harness - Four-wheel drive (4WD) Tractor - 049GPCBPF10404

Power Harness - Row Crop Tractor - 049GPCBPF10403

Rear Extension Harness (2 m) - 049GPCPF90591

StarFire™ Global Navigation Satellite System (GNSS) Antenna Kit - 049GPCBPF10949

iGrade™ Counterbalance Valve - 049GPCBPF10547

iGrade™ or Active Implement Guidance Implement CAN Extension Harness - 049GPCBPF10018

iGrade™ or Surface Water Pro Implement Mast - 049GPCPF90674

iGrade™ or Surface Water Pro Receiver Mounting Kit - 049GPCPF90676

GreenStar™ Ready Machine Kits

GreenStar™ Ready Guidance Kit - John Deere or competitive models - 049GPCBPF12230

GreenStar™ Ready Sprayer Kit - 4700 or 4710 Models - 049GPCPF90165

GreenStar™ Ready Sprayer Kit - 6700 Models - 049GPCPF90166

GreenStar™ Ready TECU Conversion Tractor Kit - 6030 or 7030 Premium Series (MY2007) - 049GPCPF90618

GreenStar™ Ready TECU Conversion Tractor Kit - 6030 or 7030 Premium Series (MY2008 and newer) - 049GPCPF91089

GreenStar™ Ready Tractor Electronic Control Unit (TECU) Conversion Tractor Kit - 049GPCBZ100173

GreenStar™ Ready Tractor Electronic Control Unit (TECU) Harness Conversion Tractor Kit - 049GPCBZ100077

GreenStar™ Ready Tractor Kit - 6020 or 7020 Series - 049GPCPF90232

GreenStar™ Ready Tractor Kit - 6105R, 6115R, 6125R, 6130 (IT4), 6140R, 6150R, 6170R, 6190R, or 6210R - 049GPCBPF10346

GreenStar™ Ready Tractor Kit - 6105R, 6115R, 6125R, 6130R (IT4), 6140R, 6150R, 6170R, 6190R, or 6210R with Panorama Roof - 049GPCBPF10391

GreenStar™ Ready Tractor Kit - 6105R, 6115R, 6125R, 6130R (IT4), 6140R, 6150R, 6170R, 6190R, or 6210R with Standard Roof - 049GPCBPF10390

GreenStar™ Ready Tractor Kit - 6110R, 6120R, 6130R (FT4), 6135R, 6145R, 6155R, 6175R, 6195R, 6215R with Standard Roof - 049GPCBPF10674

GreenStar™ Ready Tractor Kit - 7000 or 7010 Series - 049GPCBPF12232

GreenStar™ Ready Tractor Kit - 8000, 8010 or 8020 Series - 049GPCBPF12233

GreenStar™ Ready Tractor Kit - 9000 or 9020 Series - 049GPCBPF12234

GreenStar™ Ready Tractor Kit -  For 6110R, 6120R, 6130R (FT4), 6135R, 6145R, 6155R, 6175R, 6195R, 6215R - 049GPCBPF10673

GreenStar™ Ready Tractor Kit -For 6110R, 6120R, 6130R (FT4), 6135R, 6145R, 6155R, 6175R, 6195R, 6215R with Panorama Roof - 049GPCBPF10675

High Current Power Harness - 8000, 8010 or 8020 Tractor Series - 049GPCBPF10933

High Current Power Harness - 9000 or 9020 Tractor Series - 049GPCBPF10934