Models: ECV100–120, H22–80, HH40–70, HHM80, HM70–100, HMSK70–110, HMXL70, HS40–50, HSK30–70, HSSK40–50, HT30–35, HXL35, LAV30–50, LEV80–120, TNT100–120, TVM125–220, TVXL170–220, TVS75–120, TVXL105–115, V40–80, VH40–70, V60–70, VM70–100 Sub-models / Variants: Vertical Shaft, Horizontal Shaft, Lightweight Aluminum, Medium Frame, Vertical Heavy Duty (Cast Iron), Tecumseh Vertical Styled, Toro N’ Tecumseh, Exclusive Craftsman, Vertical Extra Life, Low Emissions Vertical, Horizontal Small Frame, Horizontal Heavy Duty (Cast Iron) Trade Names: Snow King, Kleen Aire, Ultra-Balance, Vantage, Prisma, Synergy, Spectra, Futura, Centura, HTL, BVS Build Years: 1999–2004 Technical Data:
Models: AH520, AH600, AV520, AV600, HSK600, TVS600 Sub-models / Variants: Horizontal Snow King, Aluminum Vertical, Aluminum Horizontal, Vertical Medium Frame, Vertical Heavy Duty (Cast Iron), Exclusive Craftsman Vertical, Tecumseh Vertical Extra Life, Low Emissions Vertical, Horizontal Small Frame, Horizontal Medium Frame, Horizontal Heavy Duty (Cast Iron) Medium Frame, Exclusive Craftsman Horizontal, Craftsman 200 Series Models Build Years: 1994 Serial Numbers: 638-670, 1398-1642 Technical Data:
Models: 100 Series, 300 Series, 600 Series, 601 Series, 700 Series, 700H Series, 800 Series, 801 Series, 820 Series, 900 Series, 910 Series, 915 Series, 920 Series, 930 Series, 940 Series, MST200 Series, 1000/1100 Series, 1200 Series, 1300 Series, 2300 Series, 2400 Series, 2500 Series, 2600 Series Sub-models / Variants: Differential, Transaxle, Transmission, Right Angle Drive, T-Drive, Hydrostatic Gear Reduction Unit, Four-Speed, In-Line Shift, Hydro Powered, Single Speed, Multi-Speed Trade Names: Tecumseh, Peerless, Duo-Trak Build Years: 1964–2002 Technical Data:
Models: 110, 110H, 112, 112H Sub-models / Variants: Manual Lift, Hydraulic Lift Build Years: 1963–1967 Serial Numbers: Up to 100,000 Technical Data:
Models: John Deere 524D, John Deere 724D, John Deere 826D, John Deere 828D, John Deere 1032D Sub-models / Variants: Walk-Behind Snowblower Build Years: 1999 (TM1612 Revision) Serial Numbers: 150001–190000, 190001– Technical Data:
Models: 600, 650, 750, 800, 850, 853, 900, 1000, 1050, 1053, 1054, 1155, 1220, 1225, 1253, 1254, 1255, 1256, 1257, 1453, 1456, 1556, 1656 Sub-models / Variants: G-9, G-10, G-11, G-12, G-14, H-14, H-16, Gear Drive, Hydrostatic, 3-Speed, 6-Speed Build Years: 1974–1978 Serial Numbers: 0100101–0399999 Technical Data:
Models: John Deere TRS21, John Deere TRS22, John Deere TRS24, John Deere TRX24, John Deere TRS26, John Deere TRX26, John Deere TRS27, John Deere TRS32 Sub-models / Variants: TRS21ES, 2-Cycle, 4-Cycle, Track Drive, 120V Electric Start Build Years: 1989–1995 Technical Data:
Models: Argo 6x6 Bigfoot, Vanguard, Vanguard 2, Response, Conquest; 8x8 Avenger, Conquest, Response, Frontier Sub-models / Variants: 6x6, 8x8, MU Transmission, GU Transmission, HU Transmission, Alternator, Horn & Parking Brake, 22-inch Rawhide III Tires, Skidplate, Bearing Extensions, Runamuck Tires, Rollbar Build Years: 1992–2006 Serial Numbers: Conquest (CB10847+), Response (RB12075+), Bigfoot (BF9212+), 6x6 Conquest (V6016200000C12747+), Vanguard 2 (SN7841+), Vanguard (S6999+), Avenger (2DGSS0BT54NV20905+) Technical Data:
Models: 28230, 28231, 28232, 38051, 38052, 38053, 38054, 38056, 38056C, 38062, 38063, 38064, 38065, 38066, 38072, 38073, 38078, 38080, 38083, 38084, 38085, 38086 Sub-models / Variants: 522R, 824E, 522, 521, 622, 624, 824, 824XL, 724 Trade Names: Toro, Lawn-Boy Build Years: 1990–2002 Technical Data:
Models: Toro 624, 824, 828, 1132 Power Shift Snowthrower Sub-models / Variants: 38500, 38505, 38510, 38513, 38520, 38525, 38540, 38543, 38545, 38565, 38570, 38573, 38580 Trade Names: Power Shift Build Years: 1989–1990 Technical Data:
Models: John Deere 3-164D, 3-179D, 4-219D, 4-239D, 4-239T, 4-276D, 4-276T, 6-329D, 6-359D, 6-359T, 6-414D, 6-414T Sub-models / Variants: Natural Aspiration, Turbocharger, 3-Cylinder, 4-Cylinder, 6-Cylinder Build Years: 1977–1984 Technical Data:
Models: Perkins 4.108M, Perkins 4.107M, Perkins 4.99M Build Years: 1980–1981 Technical Data:
Models: Bombardier MX Z 600 HO (CG5A, CG5B), Expedition, GSX, GTX, Summit, MX Z, MX Z (Adrenaline) Sub-models / Variants: 380F, 550F, 500 SS, 600 HO, 600 HO SDI, 800 HO, 800 HO DPM, 800 HO DPM Power Tek Build Years: 2006 Serial Numbers: CG5A, CG5B, CG5C, CG5D, CH5A, CH5B, CH5C, CH5D, CJ5A, CJ5B, CJ5C, CK5A, CK5B, CL5A, CL5B, CL5C, CP5A, CP5B, CP5C, CP5D, FJ5A, FJ5B, DG5B, DF5A, DC5A, DC5B, DB5A, DB5B, DD5A, DD5B, DE5A, DE5B, DA5A, DA5B, EM5A, EM5B, EL5A, EL5B, ED5A, ED5B, ED5C, EC5A, EC5B, EH5A, EH5B, EJ5A, EJ5B, EJ5C, EA5A, EA5B, EA5C, BR5A, BR5B, BR5C, BP5A, BP5B, BP5C, BF5A, BF5B, BF5C, BF5G, BF5H, BF5J, BF5L, BH5B, BH5C, BH5D, BH5A, BH5E, BC5A, BC5C, BC5F, BC5G, BC5H, BC5J, BC5K, BC5L, BC5M, BE5A, BE5B, BE5C, BE5G, BE5H, BE5J, BE5K, BE5L, BE5M, BE5N, BG5A, BG5B, BV5A, BV5B, BV5C, BV5D, BK5A, BK5B, BK5C, BK5D, BK5F, BK5G, BK5H, BK5J, BK5K, BK5L, BK5M, BK5N, BL5A, BL5B, BL5C, BL5G, BL5H, BL5J, BL5K, BL5L, BL5M, BW5C, BW5F, BW5G, BW5H, BW5J, BW5K, BW5L, BW5M, BX5C, BX5D, BX5E, BX5F, BX5G, BD5A, BD5B, BD5C, BD5G, BD5H, BD5J, BD5K, BD5L, BD5M, BB5A, BB5B, BB5C, BB5D, BB5F, BB5G, BB5H, BB5J, BB5K, BB5L, BB5M, BB5N, BS5C, BS5D, BS5E, BS5F, BS5G, BS5H, BS5J, BS5K, BS5L, BS5M, BS5N, BU5A, BU5B, BU5C, BU5D, CM5A, CM5B Technical Data:
Models: Perkins 102-04, Perkins 102-05, Perkins 103-06, Perkins 103-07, Perkins 103-09, Perkins 103-10, Perama M20, Perama M25, Perama M30 Sub-models / Variants: 2-cylinder, 3-cylinder, Diesel Engine Trade Names: Perama Build Years: 1985–1994 Serial Numbers: Engine build list codes ending in 000001 through numerical increase
Models: 1GM, 1GM10, 2GM, 2GMF, 2GM20, 2GM20F, 3GM, 3GMF, 3GMD, 3GM30, 3GM30F, 3HM, 3HMF, 3HM35, 3HM3SF Sub-models / Variants: F-series (freshwater cooling), D-series (Kanzaki KBW10D transmission), KM-series transmission, KBW-series transmission Trade Names: Yanmar Marine Diesel Technical Data:
Models: Volvo 850 (1992–1996) Sub-models / Variants: Saloon, Estate, 2.0L 10-valve, 2.0L 20-valve, 2.3L 20-valve, 2.5L 10-valve, 2.5L 20-valve, T-5 Turbo, Normally-aspirated, Manual transmission, Automatic transmission Trade Names: 850, 850 T-5 Build Years: 1992–1996 Technical Data:
Models: John Deere PowerTech Plus 4.5L Diesel Engines, John Deere PowerTech Plus 6.8L Diesel Engines Sub-models / Variants: Tier 1/Stage I, Tier 2/Stage II, Tier 3/Stage IIIA, Naturally Aspirated, Turbocharged, Turbocharged and air-to-coolant aftercooled, Turbocharger and air-to-water aftercooled, Turbocharged and air-to sea water aftercooled Build Years: 2004–2006 Technical Data:
Models: 2.4L and 3.0L Diesel Engines, 4024TF220, 4024TF270, 5030TF220, 5030TF270, 5030HF220, 5030HF270, 4024TT003, 5030TT003, 4024TT001, 4024TT002, 5030TT001, 5030TT002, 5030HT001, 5225 Tractor, 5325 Tractor, 4120 Tractor, 4320 Tractor, 4520 Tractor, 4720 Tractor, 244J Loader, 304J Loader, 317 Skid Steer, 320 Skid Steer, 325 Skid Steer, 328 Skid Steer, 332 Skid Steer Sub-models / Variants: Turbocharged, Turbocharged Air-to-Air Aftercooled, Tier 2 Certified, Non-Certified Build Years: 2005–2009 Serial Numbers: 0010609 Technical Data:
Models: MCM 120 MR, MCM 120 Alpha, MCM 140 MR, MCM 140 Alpha, MCM 2.5L, MCM 3.0L, Sea Ray 3.0L Sub-models / Variants: 153 CID (2.5L), 181 CID (3.0L), Left-Hand Rotation Build Years: 1994 Serial Numbers: MCM 120 MR: 6853914–0A492055, MCM 120 Alpha I: 0A492056–0B531853, MCM 2.5L: 0C856450 and Above, MCM 140 MR: 6852270–0A484072, MCM 140 Alpha I: 0A484073–0B450800, MCM 3.0L: 0C856450 and Above, Sea Ray 3.0L: 0B787205–B917530 Technical Data:
Models: John Deere PowerTech 4.5 L Diesel Engines, John Deere PowerTech 6.8 L Diesel Engines Sub-models / Variants: Base Engine, Tier II, Naturally Aspirated, Turbocharged, Air-to-Air Aftercooled, Air-to-Coolant Aftercooled, Mechanical Fuel Systems, Level 1 Electronic Fuel Systems, Level 4 Electronic Fuel Systems, Level 12 Electronic Fuel Systems Build Years: 1996–2002 Serial Numbers: 4045, 6068 (Model series codes) Technical Data:
Models: Perkins 4.108, Perkins 4.107, Perkins 4.99 Sub-models / Variants: Vehicle, Agricultural, Industrial, Refrigeration Unit, 4-cylinder indirect injection variants Build Years: 1983 onwards Technical Data:
Models: Perkins Phaser, 1000 Series Sub-models / Variants: 4 cylinder, 6 cylinder, Naturally Aspirated, Turbocharged, Compensated, Turbocharged/intercooled, Automotive, Agricultural, Industrial, AE/YE (USA emission legislation variants) Trade Names: Phaser, 1000 Series Build Years: 2002 Serial Numbers: AA to AH, YA to YE
Models: Toyota 2L-T, Toyota 3L Sub-models / Variants: LJ70, LJ72, LJ73, LJ77, LJ79, LN106, LN111, LN130, LN135, 2L-T (Austria spec), 2L-T (Others), 3L (Hong Kong, Singapore, Malaysia), 3L (Others) Build Years: 1990 Technical Data:
Models: OMC 2.3L, 2.5L, 3.0L, 4.3L, 5.0L, 5.7L, 5.8L, 7.4L, 7.5L, 8.2L, 454, 460, 502 Sub-models / Variants: Cobra, King Cobra, SP, SX, DP, Duoprop, carbureted, fuel injected (TBI, MFI, EFI), 4-cylinder, V6, V8, left hand rotation, right hand rotation Trade Names: Cobra, King Cobra, Sterndrive, Duoprop Build Years: 1986–1998 Serial Numbers: Varies by model and year based on alphanumeric manufacturer identification codes
Models: 290000, 290400, 290700, 294700, 303000, 303400, 303700, 350000, 350400, 350700, 351400, 351700, 380000, 380400, 380700, 540000, 610000 Technical Data:
Models: Daewoo Musso, Daewoo Musso XL Sub-models / Variants: 661LA (2.3L Diesel), 662NA (2.9L Diesel), 662LA (2.9L Diesel), 2.0L DOHC Gasoline, 2.3L DOHC Gasoline, 3.2L DOHC Gasoline, Manual Transmission (T5), Automatic Transmission (MB W4A040, BTRA M74), LHD, RHD Build Years: 1993–2004 Serial Numbers: 000001–999999 Technical Data:
Models: Mitsubishi 4G5 Series, Mitsubishi 4G6 Series Sub-models / Variants: 8-Valve Single Camshaft, 16-Valve Single Camshaft, Double Camshaft, Engine with Silent Shaft, Engine without Silent Shaft, Engines for Europe and Australia, Engines for General Export Build Years: 1990–1996 Technical Data:
Models: FA130D, FA210D, FA210V, FG150G, FG150D, FC150V, KF82D, FZ340D, FC290V, FC400V, FC420V, FC540V, FE290D, FE290R, FB460V Sub-models / Variants: AS16, AS19, AN00, AS20, AS17, BS17, CS17, AS19-01, FS01, ES06, AS12 Build Years: 1987–1992 Technical Data:
Models: 3YM30, 3YM30C, 3YM20, 3YM20C, 2YM15, 2YM15C Sub-models / Variants: KM2P-1 (Marine Gear), SD20 (Sail Drive) Build Years: 2004–2008 Technical Data:
Models: 3TNV82A, 3TNV82A-B, 3TNV84, 3TNV84T, 3TNV84T-B, 3TNV84T-Z, 3TNV88, 3TNV88-B, 3TNV88-U, 4TNV84, 4TNV84T, 4TNV84T-Z, 4TNV88, 4TNV88-B, 4TNV88-U, 4TNV88-Z, 4TNV94L, 4TNV98, 4TNV98-E, 4TNV98-Z, 4TNV98T, 4TNV98T-Z, 4TNV106, 4TNV106T Sub-models / Variants: CL, VM, Non-derated, Derated, EPA Tier 2, EPA Interim Tier 4 Build Years: 2009 (Model year codes A=2010, B=2011, C=2012) Technical Data:
Models: S6S-Y3T61HF, S6S-Y3T62HF Sub-models / Variants: Turbocharged, 6-cylinder in-line, water-cooled Build Years: 2008 Technical Data:
Models: Case IH 956, Case IH 1056, Case IH 956XL, Case IH 1056XL Sub-models / Variants: 3-cylinder, 4-cylinder, 6-cylinder, naturally aspirated, turbocharged, D-155, D-179, D-206, D-239, D-246, D-268, D-310, D-358, DT-239, DT-358, DT-402 Build Years: 1987 Technical Data:
Models: 5 hp, 6 hp, 8 hp, 9.9 hp, 15 hp, 40 hp, 50 hp, 70 hp Sub-models / Variants: Short shaft, Long shaft, Extra long shaft, Rope start, Electric start, Electric tiller, Remote control, Fuel injected (EFI), Carbureted Trade Names: Johnson, Evinrude Build Years: 1995–2001 Serial Numbers: Tags located on engine clamp bracket (5-15 hp), starboard side clamp bracket (40-50 hp), or port side clamp bracket (70 hp)
Models: Kawasaki KF82, Kawasaki KF100, Kawasaki KF150 Sub-models / Variants: KF82D, KF100D, KF150D, KF100DS, KF150DS, KF82DSX, KF100DSX, KF150DSX Build Years: 2006 (per publication 99924-2006) Technical Data:
Models: 4HK1, 6HK1 Trade Names: Isuzu Industrial Diesel Engine Technical Data:
Models: Jeep CJ-2A, Jeep CJ-3A, Jeep CJ-3B, Jeep CJ-5, Jeep CJ-5A, Jeep CJ-6, Jeep CJ-7, Jeep Scrambler Sub-models / Variants: Renegade, Laredo, Golden Eagle, Automatic transmission, Manual transmission, V6 engine, V8 engine, Inline four-cylinder, Inline six-cylinder Build Years: 1949–1986 Technical Data:
Models: Honda Civic Sub-models / Variants: 2-door Hatchback, 4-door Sedan, 2-door Coupe, CX, DX, EX, LX, LX-V, HX, Si, SiR, CX-G, SE Trade Names: Civic Build Years: 1996–2000 Serial Numbers: Varies by model and region; includes U.S.A., Japan, and Canada production codes
Models: MF 340, MF 342, MF 350, MF 350H, MF 352, MF 355, MF 360, MF 362, MF 362H, MF 362N, MF 365, MF 372, MF 372N, MF 375, MF 375H, MF 382, MF 382N, MF 383, MF 390, MF 390H, MF 390T, MF 393, MF 396, MF 398, MF 399. Sub-models / Variants: 2WD, 4WD, wide axle, narrow axle, LoProfile cab, HiLine cab, Series 2 cab. Build Years: 1986–2000. Serial Numbers: Tractor serials: MF 340 (5812), MF 342 (9203), MF 350H (9000), MF 350 (5000), MF 352 (9205), MF 355 (5309), MF 360 (5221), MF 362 (5726), MF 362H (9001), MF 362N (9153), MF 372 (5998), MF 372N (9137), MF 375 (5270), MF 375H (5006), MF 382 (5153), MF 382N (5266), MF 390 (5008), MF 390H (9163), MF 390T (5723), MF 393 (9131), MF 396 (9129), MF 398 (5010), MF 399 (5012). Technical Data:
Models: MD1B, MD2B, MD3B Trade Names: Volvo Penta Marine Diesel Build Years: 1972 Technical Data:
Models: K482, K532, K582, K662 Sub-models / Variants: 18 HP (K482), 20 HP (K532), 23 HP (K582), 24 HP (K662), Industrial, Electric Plant Trade Names: Kohler Twin Cylinder Engines Build Years: 1969–1982 Serial Numbers: 9224060 (early units before this serial utilize different governor setups)
Models: 1PZ, 1HZ, 1HD-T Engines Sub-models / Variants: PZJ70 series, PZJ73 series, PZJ75 series, HZJ70 series, HZJ73 series, HZJ75 series, HZJ80 series, HDJ80 series, HZB30 series, HDB30 series Trade Names: Land Cruiser, Coaster Build Years: 1990 Technical Data:
Models: Sportster 4-TEC, Challenger 180 Sub-models / Variants: Sportster 4-TEC Naturally Aspirated, Sportster 4-TEC Supercharged Intercooled, Challenger 180 SC, Challenger 180 SC IC Build Years: 2006 Technical Data:
Models: Mercury 2 HP, Mercury 3.5 HP, Mercury 3.6 HP, Mercury 4 HP, Mercury 4.5 HP, Mercury 6 HP, Mercury 7.5 HP, Mercury 9.8 HP, Mercury 9.9 HP, Mercury 15 HP, Mercury 18 HP, Mercury 20 HP, Mercury 25 HP, Mercury 35 HP, Mercury 40 HP Sub-models / Variants: 110, 75, 200, 210cc, 400, 402, 18XD, 25XD, Outboard with Oil Injection, Outboard with Alternator, Remote Control, Tiller variants, Long Shaft, Short Shaft, 2-Cylinder Build Years: 1965–1990 Serial Numbers: 4709592 and Up (1978 and later) Technical Data:
Models: 3TNV82A, 3TNV84, 3TNV84T, 3TNV88, 4TNV84, 4TNV84T, 4TNV88, 4TNV94L, 4TNV98, 4TNV98T, 4TNV106, 4TNV106T Sub-models / Variants: CL (Constant Load) specification, VM (Variable Load) specification, Turbocharged (T) models, Natural Aspirated models, 2-valve cylinder head variants, 4-valve cylinder head variants Trade Names: TNV Series Industrial Diesel Engine Serial Numbers: M9961-02E050 Technical Data:
Models: 3-Series (E30), 5-Series (E28), 5-Series (E34) Sub-models / Variants: 316, 316i, 318i, 320i, 325i, Touring, Convertible, 518, 518i, 525i, 528i, 535i, M535i, 520i, 530i Trade Names: Saloon, Old-shape (E28), New-shape (E34) Build Years: 1981–1991 Technical Data:
Models: Astra, Zafira Sub-models / Variants: Hatchback, Saloon, Estate, MPV, 8-valve, 16-valve, SOHC, DOHC Build Years: 1998–2000 Technical Data:
Models: Oliver 1750 Row Crop, Oliver 1750 Wheatland, Oliver 1750 Four-Wheel Drive, Oliver 1750 Utility Sub-models / Variants: Tricycle, Adjustable Front, 2WD, 4WD Build Years: 1966–1969 Serial Numbers: 180537 and up (Diesel engine head cap screw variant) Technical Data:
Models: General Motors 3.8L (229) V6, General Motors 4.3L (262) V6, General Motors 5.0L (305) V8, General Motors 5.0L (307) V8, General Motors 5.7L (350) V8, General Motors 7.4L (454) V8, General Motors 8.2L (502) V8, General Motors 430/4.3L (262) V6, General Motors 431/4.3L (262) V6, General Motors 740/7.4L (454) V8, General Motors AQ175/3.8L (229) V6, General Motors AQ200/5.0L V8, General Motors AQ205/4.3L (262) V6, General Motors AQ211/5.0L (305) V8, General Motors AQ225/5.0L V8, General Motors AQ231/5.0L (305) V8, General Motors AQ255/5.7L (350) V8, General Motors AQ260/5.7L (350) V8, General Motors AQ271/5.7L (350) V8, General Motors AQ280/5.7L (350) V8, General Motors AQ290/5.7L (350) V8, General Motors AQ311/5.7L (350) V8, Ford 5.0L (302) V8, Ford 5.8L (351) V8, Ford 7.5L (460) V8, Ford AQ200/5.0L (302) V8, Ford AQ240/5.8L (351) V8, Volvo 2.0L (121) 4 cyl, Volvo 2.1L (130) 4 cyl, Volvo 2.3L (141) 4 cyl, Volvo 2.5L (153) 4 cyl, Volvo 3.0L (182) 6 cyl, Volvo AQ105/2.0L (121) 4 cyl, Volvo AQ115/2.0L (121) 4 cyl, Volvo AQ120/2.1L (130) 4 cyl, Volvo AQ125A/2.1L (130) 4 cyl, Volvo AQ125B/2.3L (141) 4 cyl, Volvo AQ130/2.0L (121) 4 cyl, Volvo AQ131/2.3L (141) 4 cyl, Volvo AQ140/2.1L (130) 4 cyl, Volvo AQ145/2.3L (141) 4 cyl, Volvo AQ151/2.5L (152) 4 cyl, Volvo AQ165/3.0L (182) 6 cyl, Volvo AQ170/3.0L (182) 6 cyl, Volvo AQ171/2.5L (152) 4 cyl Technical Data:
Models: OMC Cobra, King Cobra, Stringer Sterndrive Sub-models / Variants: 4-cylinder, 6-cylinder, V6, V8, 2.5L, 3.0L, 3.8L, 4.3L, 5.0L, 5.7L, 120 HP, 140 HP, 165 HP, 175 HP, 185 HP, 195 HP, 200 HP, 225 HP, 230 HP, 235 HP, 240 HP, 250 HP, 260 HP, 454 HP Build Years: 1964–1998 Technical Data:
Models: Mercury MerCruiser 305 CID (5.0L), Mercury MerCruiser 350 CID (5.7L), 350 Mag MPI, Black Scorpion Sub-models / Variants: MCM Sterndrive, MIE Inboard, Inboard and Ski, Alpha One, Bravo One, Bravo Two, Bravo Three, Black Hawk, 5.0L EFI, 5.7L EFI, 350 Mag MPI Build Years: 1999 (Service Manual Number 24) Serial Numbers: 0L619000 and up (65Amp alternator break) Technical Data: