VALIDO PARA LOS SIGUIENTES MODELOS:
AEBI: TT 77
AICHI: SP 14 CJ, SR 12 C, U 615
AIRMAN: PDS 185 S-5C5, PDS 185 S-6C2, PDS 185 S-7C5, PDS 185 SC-5C5, PDS 185 SC-7C5
AMMANN: ARP 35, ARX 23 1-2, ARX 23.1-2, ARX 23-2, ARX 23-2 C, ARX 26.1, ARX 26.1-2, ARX 26-2, ARX 26-2 C, ARX 36, ARX 40, ARX 40-2, ARX 40-2 C, ARX 40 K, ARX 45, ARX 45-2, ARX 45-2 C, ARX 45 K, AV 75, AV 95-2
ANTONIO CARRARO: SR 7600 INFINITY
AT-BORETEC: PP 200/95
ATLAS: AR 60, AR 65 G, T 15
ATLAS COPCO: QAS 30 ST5, XAS 88-7
AUSA: 2044, D 300 AHG, D 350 AHG, D 450 AHG
BARFORD: SXR 3500 H
BARONESS: GM 2800 A, GM 2800 B, LM 2700
BASKET PLATFORM: SPIDER 43 T
BOBCAT: 331 D, 331 E, 334, 334 D, 335, 337, 341, 430 ZHS, 5600, 653, 751, 974, 975, B 300, BCA 24, CT 122, CT 225, CT 230, CT 235, CT 335, CT 440, CT 445, CT 450, E 55 W, E 60, E 62, E 63, E 80, E 85, S 510, S 530, TOOLCAT 5600
BOMAG: BW 100 AC-5, BW 100 AD-5, BW 120 AC-5, BW 120 AD-5, BW 124 PDH-5, BW 135 AD-5, BW 138 AC-5, BW 138 AD-5
BOSCHUNG: S 2
BRANSON: 3120 R, 3520 CX, 3520 H, 3520 R, 3725 C, 3725 CH, 3725 H, 3725 R, 3820, 3820 I, 4020 R, 4220, 4220 I, 4225 C, 4225 CH, 4225 H, 4225 R, 4520 C, 4520 R, 4720, 4720 CH, 4720 H, 4720 I, 5220 C, 5220 CH, 5220 CX, 5220 H, 5220 R, 5530 C, 5530 R, 6530 C, 6530 CN, 6530 R, 6640 C
CANYCOM: CC 2500 R, CG 430, CG 431, S 25 A, S 300
CARLTON: SP 4012
CASE: CX 50, CX 60, CX 75 C SR, CX 75 SR, CX 80, CX 80 C, FARMALL 40 C, FARMALL 50 C, FARMALL 55 C
CATERPILLAR: 216, 226, 228, 232, 236, 242, 247, 247 B, 252, 257, 267, 303.5 E CR, 304 E, 305.5 CR, 305.5 E CR, 305 C CR, 305 CR, 305 E CR, 306 E2, 307 B, 307 C/CR, 307 E2, 308 C/CR, 308 D/CR, 308 E/CR, 902, 904, 906, CB 36 B, CC 34 B, DP 25 N, DP 30, DP 35, DP 40 NT
CENTURY: 3638, 3642, 3647, C 38, C 42, C 47
CHIKUSUI: S 25 A
CLAAS: TALOS 120, TALOS 130
CLARK: C 35 D, GTS 25 D
COLTRAX: MX 280
DINGLI: DS 2223 RTP, JCPT 2223 RTB
DITCH WITCH: JT 1220 MACH 1, JT 9, RT 5, RT 55
DOOSAN DAEWOO: 460, D 20 S-3, D 20 S-7, D 25 S, D 25 S-2, D 25 S-7, D 25 S-7 PRO 5, D 30 S-3, D 30 S-7, D 33 S-7, D 35 C-5, D 35 C-7, DSL 460, DSL 601, DSL 602, DSL 802, DX 35 Z, DX 55, DX 55-5, DX 55-5 MT, DX 55 A, DX 55 ACE, DX 55 ACE PLUS, DX 55 A MT, DX 55 MT, DX 55 MT ACE, DX 55 MT ACE PLUS, DX 55 W, DX 55 WA, DX 55 W ACE, DX 55 W ACE PLUS, DX 57 W-5, DX 60 R, DX 62 R-3, DX 63-3, DX 63-5, DX 75, DX 80 R, DX 80 W-3, DX 85 R-3, E 55 W, E 62, G 20 E-3, G 20 S-3, G 25 E-3, G 25 GP, G 25 S-3, G 30 E-3, G 30 GP, G 30 S-3, GC 20 E-3, GC 20 S-3, GC 25 E-3, GC 25 S-3, GC 30 E-3, SOLAR 055 PLUS, SOLAR 055 V, SOLAR 055 V GOLD, SOLAR 055 V GOLD PLUS, SOLAR 055 V PLUS, SOLAR 055 V SUPER, SOLAR 055 W V, SOLAR 055 W V GOLD PLUS, SOLAR 055 W V SUPER, SOLAR 075 V LC
DULEVO: 850 YE
ENDRESS: ESE 20 YW-B, ESE 50 YW/RS
ENERGREEN: ROBO EVO
EP: FD 25 T
EUROCOMACH: ESK 150.5, MINI CHARGEUR
FEELER: FD 45
FIAT HITACHI: EX 60-2, EX 60-3, EX 60-5, EX 60 LC, EX 60 LC 5, EX 60 WD-2, EX 75 UR, EX 80-5
FIAT IVECO: 80313 AM1P
FIAT KOBELCO: E 70 SR/KSR, E 80
FINLAY: 760
FSI: LV 500 GREEN CLIMBER
GEHL: AL 240, AL 340, AL 440, AL 540
GEIER: 60 TS
GENELEC: GRYW 17 T5 S5, GRY W 20 T5, GYM-20 T5, GYW 17 T5
GENIE: GS 3268 RT/4, GS 3384 RT, GS 3384 RT STV, GS 3390 RT, GS 4390 RT, GS 4394 RT, GS 5390 RT, GS 5390 RT STV, S 40, S 45, S 45 XC, S 60, S 65, S 65 RT 4X4, S 65 XC, S 80, S 80 SC, S 85, S 85 XC, SX 125 XC, SX 135 XC, Z 135/70, Z 45/25 J, Z 45/25 RT 4X4, Z 45/25 RT 4X4 HYBRID, Z 60/34, Z 62/40, Z 80/60 RT 4X4
GENMAC: G 11000 TD
GENPOWER: GP 22 TD, GP 33 TD, GP 44 TD, GP 55 TD, GP 66 TD, GP 77 TD, GP 88 TD, GP 110 TD
GIANT: D 254 SW X-TRA
GIS: GP 500
GOUPIL: G 4
GRILLO: PK 600 4X4
HANIX: H 75 C, H 75 B
HINOWA: LL 33.17 PERFORMANCE IIIS
HITACHI: EX 50, EX 50 U, EX 50 UR, EX 60, EX 60-1, EX 60-2, EX 60-3, EX 60-5, EX 60 C-5, EX 60 CX, EX 60 EX, EX 60 G, EX 60 LC, EX 60 LC-2, EX 60 LC-3, EX 60 LC-5, EX 60 R-3, EX 60 U, EX 60 UR, EX 60 WD, EX 60 WD-2, EX 60 WD-3, EX 60 WD-5, EX 70 U, EX 75, EX 75 C-5, EX 75 CX, EX 75 U, EX 75 UR, EX 80, EX 80 LCM-5, EX 80 M, EX 80 M-5, EX 80 UR-2, EX 80 UR-3, EX 85, EX 85 RX-3
HITACHI SUMITOMO: SCX 2000
HOLLAND LIFT: HL 190 H 25
HUB: 1800
HYUNDAI: ROBEX 55 W-9, ROBEX 60 W-9, ROBEX 80 W-9, ROBEX 80 W-9A
IHIMER: 65 VX
IHI: 55 N
IMER: IM 4680 RT
INGERSOLL RAND: DD 24, DD 28 HF, DD 29, DD 30, DD 34 HF, DD 34 HF
JACOBSEN: AR 5, AR 522, AR 722 T, FAIRWAY LF 550, FAIRWAY LF 570, HR 3806, HR 500, HR 600, HR 6010, MP 653, R 311 T
JCB: 406 T4, 8040 ZTS, 8045, 8045 ZTS, CC 155, G 20 RX, G 40 RX, ROBOT 135 ECO, TLT 25 D TCR
JCM: 60, 88, 906 D
JLG: 3394 RT, 3394 RT, 4394 RT, 860 SJ, 860 SJ, 860 SJ
JOHN DEERE: 1505, 1515, 1600, 1620, 1905, 3033 R, 3038 R, 3045 R, 3215 B, 3235 B, 3235 C, 3235 C FAIRWAY, 3235 C FAIRWAY, 3245 C, 3320, 3520, 3720, 4049 M, 4049 R, 4066 R, 5036 C, 5036 C, 5045 D, 5050 D, 5204, 5403, 7200 PRECISION CUT, 7500 FAIRWAY, 7700 FAIRWAY, 7700 PRECISION CUT, 8500 E, 8700 PRECISION CUT, 8800 A, 8800 PRECISION CUT, 8900 A PRECISION CUT, 9009 A PRECISION CUT
JUNGHEINRICH: DFG 425, DFG 425, DFG 430 S, DFG 435, DFG 435 S, DG 435
KIOTI: CK 25, CK 25 H, CK 2610, CK 2610 CHSE, CK 2610 H, CK 2620, CK 2620 CHSE, CK 2620 H, CK 27, CK 27 H, CK 30, CK 30 H, CK 35, CK 3510, CK 3510 H, CK 3520, CK 3520 C, CK 3520 H, CK 35 H, CK 3710, CK 3710 H, CK 4010, CK 4010 H, CK 4020, CK 4020 C, CK 4210, CK 4210 H, CK 4220 C, CK 4220 CH, DK 35 CHSE, DK 35 HSE, DK 35 SE, DK 40 CHSE, DK 40 HSE, DK 40 SE, DK 4210 CHSE, DK 4210 HSE, DK 4220 CHSE, DK 4220 HSE, DK 451, DK 4510, DK 45 CHSE, DK 45 CSE, DK 4720 CHSE, DK 4720 HSE, DK 4810, DK 4810 H, DK 5010, DK 5320 CHSE, DK 5320 HSE, DK 55, DK 551, DK 5810, DK 5810 H, DK 5810 HS, DS 3510, DS 4110, DS 4110 HS, DS 4510, DS 4510 HS, DX 6010, EX 35, EX 40, EX 45, EX 50 CCR, EX 50-SA, EX 5310-AU, EX 55-SA, EX 5810-AU, KIOTI CK 4020 H, LX 500 L, NX 4510 CH, NX 4510 H, NX 4520 C, NX 5010, NX 5010 C, NX 5010 CH, NX 5010 H, NX 5020 C, NX 5020 CH, NX 5020 H, NX 5510, NX 5510 C, NX 5510 CH, NX 5510 H, NX 5520 C, NX 6010 CH, NX 6010 H, NX 6020 CH, NX 6020 H, RX 6010 C, RX 6010 PC, RX 6030, RX 6030 C, RX 7030 P, RX 7030 PC, RX 8030 C, RX 8030 P, RX 8030 PC
KIPOR: KDF 30, KDF 35
KOBELCO: SK 070, SK 60 SR, SK 60 SR-1 E, SK 60 SR-1 E, SK 70 SR, SK 70 SR, SK 70 SR, SK 70 SR-1 E, SK 70 SR-1 E, SK 70 SR-1 ES, SK 75 UR, SK 75 UR-3, SK 75 UR-3 E, SK 75 UR-3 E, SK 75 UR-3 ES, SK 80 MSR, SK 80 MSR, SK 80 MSR, SK 80 MSR, SK 80 MSR-1 ES
KOMATSU: CK 20-1, FD 20 T-14, FD 20 T-16R, FD 25-14, FD 25-16, FD 25 T 12, FD 25-T14, FD 25 T-16R, FD 30-12, FD 30-14, FD 30 T-12, FD 30T-14, FD 30 T-16R, FD 30 T-17, FG 25 HT-16 R, PC 45 MR-3, PC 45 MR-5, PC 45 MR-5E0, PC 55 MR 3, PC 55 MR 3, PC 55 MR 5, PC 55 MR-5, PC 58 MR 5, PC 78 MR-6, PC 78 US-6, SK 714-5, SK 820-5
KUBOTA: F 391, KC 250 H, KC 250 HR, KC 250 HR-4, KX 057-4, KX 060-5, KX 121-3, KX 121-3 ALPHA, KX 161-3, KX 161-3 ALPHA, KX 251, KX 251-2, KX 251 ALPHA, L 48 TL, L 5030 GST, L 5030 HST, L 5030 HSTC, LX 351 DR, LX 401, M 4700, M 4700 DT, M 4800 SU, M 4900, M 4900 C, M 4900 DT, M 4900 DTC, M 4900 S, M 4900 SC, M 4900 SCS-F, M 4900 SD, M 4900 SDC, M 4900 SU, M 4900 SUD, M 5400, M 5400, M 5400 DT, M 5400 DT-N EMISSION, M 5700, M 5700 C, M 5700 DT, M 5700 DTC, M 5700 DT-N, M 5700 HDC, M 5700 HD-F, M 5700 S, M 5700 SC, M 5700 SD, M 5700 SDC, M 5700 SDN, ME 5700 DTH, ME 5700 DTHQ, ME 5700 DTN, MF 5700, MK 5000, MX 5000 DT, MX 5000 F, MX 5400 DT, MX 5400 DTC, MX 5400 DTHC, MX 5400 F, MX 5400 H, MX 6000 DTHC, MX 6000 H, R 065, R 070, R 082, R 420, R 420 B, R 520, R 520 ALPHA, U 45, U 45-3, U 45-3 ALPHA, U 45 S, U 48-4, U 50-3, U 50-3 ALPHA, U 55-4, U 55-4, U 56-5, U 56-5
KÄRCHER: MC 130, MC 130 PLUS, MIC 35
LANDINI: 1-30, 1-35, 1-40, 1-40 H-CAB, 1-50, 1-50 F, 1-50 H-CAB, 1-55, 1-55 M-CAB, X 10-30H, X 10-30M, X 10-35H, X 10-35M, X 10-40CH, X 10-40H, X 10-40M, X 10-50CH, X 10-50F, X 10-50H, X 10-55CM, X 10-55M
LIBRA: 755
LIFTER PRAMAC: GRW 22 Y, GSW 15 Y, GSW 22, GSW 22 Y
LIFTLUX: SL 425-25 D
LINCOLN: 305 D, VANTAGE 500, VANTAGE 500, VANTAGE 500, VANTAGE 500, VANTAGE 500, VANTAGE 600, VANTAGE 650, VANTAGE 700, VANTAGE 700 I
LINDNER: UNITRAC 65
LIUGONG: 906 C, CLG 906 C, CLG 909 ECR
LOVOL FOTON GROUP: FR 60-7, FR 65-7, FR 65-V8
LS: K 5047, K 5055, MT 345 E, MT 345 H, MT 350 E, MT 350 H, NEO 41 CABINE, NEO 41 CABINE, NEO 47 CABINE, NEO 47 CABINE, NEO 60 CABINE, NEO 60 CABINE, RIO 41, RIO 50, RIO 50, RIO 60, U 43, U 50, U 5020, U 5020 C, U 5030, U 5030 C, U 60, XG 3135, XG 3135 H, XG 3140, XG 3140 H, XR 4040, XR 4040 H, XR 4046, XR 4046 H, XR 4140, XR 4140 H, XR 4145, XR 4145 H, XR 4150, XR 4150 H, XR 4155, XR 4155 H
MAC 3: MSP 4000, MSP 5000
MAC CORMICK: X 10.30H, X 10.30M, X 10.35H, X 10.35M, X 10.40CH, X 10.40H, X 10.40M, X 10.50CH, X 10.50F, X 10.50H, X 10.55CM, X 10.55M
MAEDA: LC 785-6, LC 785-6
MAHINDRA: 2655 HST OS, 2665, 3535, 3825 2WD T4, 4530 4WD T2, 4530 4WD-T4, 4540, 5520 2WD, 5520 4WD, 5530 4WD T2, 5545, 5555, 6030 4WD-T2, 6520 2WD, 6520 4WD, 6530 4WD-T2
MANITOU: MC 50-2
MASSEY FERGUSON: MF 516 XP
MDB: GREEN CLIMBER LV 500
MECALAC: 3.5 MDX-FRONTAL
MENZI-MUCK: 55 VX, 65 VX
MILLER: BIG BLUE 400 D, BIG BLUE 400 D, BIG BLUE 452 CC, BIG BLUE 452 P, BIG BLUE 500 CE, BIG BLUE 500 D, BIG BLUE 500 D, BIG BLUE 500 X, BIG BLUE 500 X, BIG BLUE 500 X, BIG BLUE 500 Y, BIG BLUE 600 X, BIG BLUE 600 X, BIG BLUE AIR PAK
MITSUBISHI: FD 25 CN, FD 30 N
MOROOKA: MST 300 VD, MST 300 VD, MST 300 VDR
MOSA: GE 80
MUSTANG: 2040, 2040, 2042, 2044, 2044, 2050, 2060, AL 306, AL 406
NAGANO: NS 55 R-5
NEUMEIER: N 50
NEUSON: 3001, 4001, 4001 S, 4501, 4501, LIFTON 3501, LIFTON 4001, LIFTON 4501, LIFTON 5001, LIFTON 5001
NEW HOLLAND: 45 WORKMASTER, 45 WORKMASTER, 46 D BOOMER, 54 D BOOMER, 55 WORKMASTER, 55 WORKMASTER, CX 7.90, E 70 SR, E 80-1 ES, E 80 MSR EVOLUTION
NISSAN: XG 1 D 2 A 30 Q
OM CARRELLI: XD 25, XD 30
RANSOMES: FRONTLINE 960, HR 3806, HR 6010, MP 493, MP 653
ROBIN: SILENT STAR 20
SAELEN: GS / JAGUAR D GREEN SERIES, MV VIPER 50, VIPER 50 DRI
SAKAI: PT 310
SANY: SY 75, SY 75 C-9
SCHAFFER: 3350, 3360, 3450, 3460, 3545, 3550 T, 3550 T, 3560 T, 4160, 4250, 4350, 4360, 4460, 4560 T, 460 T, 5050 Z
SDLG: LG 660, LG 665
SHINDAIWA: DGK 45 F
SOLIS: 50 RX
STILL: R 40-20, R 40-25, RC 40-15, RC 40-18, RC 40-20, RC 40-25, RC 40-25 T, RC 40-30, RC 40-30
STRIEGEL: 500 DY-A
SUMITOMO: SH 75 X-3, SH 80-3
SUNWARD: SWE 2820, SWE 60, SWE 60 B, SWE 70, SWE 70 B, SWE 70 E, SWE 70 N9, SWE 78 LS, SWE 80, SWL 2810, SWL 2820
TAKEUCHI: TB 175, TB 175, TB 175 W, TB 180 FR, TB 180 FR, TB 75 FR, TB 80 FR, TB 80 FR, TL 120, TL 130
TCM: FA 30 D-J, FD 20 C7, FD 20 T3, FD 20 T6, FD 20 T6H, FD 20 T7, FD 20 W7, FD 20 Z5, FD 20 Z5 SERIE 700, FD 25 C7, FD 25 T3, FD 25 T6, FD 25 T7, FD 25 T7, FD 25 Z5, FD 30 T3, FD 30 T6H, FD 30 T7, FD 30 Z5, FD 35 T3S, FD 35 T 45 F, FHD 15 T3, FHD 15 T9, FHD 15 Z8, FHD 18 T3, FHD 18 T9, FHD 18 Z8, FHD 20 T3, FHD 20 Z5, FHD 25 T3A, FHD 25 Z5, FHD 30 T3, FHD 30 T3A, FHD 30 Z5, SSL 709
TELSTAR CAFINI: J 151 TW
TEREX: PT 60, TC 50
THALER: 2748 A, 2848 S, 3248 T-5A, 3448 T-DPF, 48 T18
THWAITES: AD 35, AD 4.5 T, AD 4 T, AD 4 T, CV 32-7 NQ, CV 32-7 NQ, MACH 050/4, MACH 2044, MACH 2075, MACH 244, MACH 274, MACH 344, MACH 345, MACH 374, MACH 376, MACH 444, MACH 471, MACH 474, MACH 474, MACH 475, T 350 POWER SWIVEL, T 450
TORO: GROUNDMASTER 3000 D, GROUNDMASTER 3000 E, GROUNDMASTER 4000 D, GROUNDMASTER 4100 D, GROUNDMASTER 4300 CROSS RPX, GROUNDMASTER 4500 D, GROUNDMASTER 455 D, GROUNDMASTER 455 D, GROUNDMASTER 4700 D, REELMASTER 4000 D, REELMASTER 5610 CROSSTRAX, REELMASTER 5610 CROSSTRAX, REELMASTER 6500 D, REELMASTER 6500 D, REELMASTER 6500 D, REELMASTER 6700 D, REELMASTER 6700 D, REELMASTER 6700 D
TYM: T 454 NC, T 454 NH, T 454 SH, T 454 ST, T 554 NC, T 554 NH, T 554 SH, T 554 ST
TYROLIT: FSD 930 S
UNIC CRANES: URW 1006
UPRIGHT: AB 62, SB 60
UTILEV: UT 35 P
VENIERI: VF 3.63 G
VERMEER: BC 190 XL, BC 190 XL, BC 190 XL, BC 200, BC 230 XL, CTX 100, D 7 X 11 SERIE II, SC 5025, SC 5025, SC 5025, SC 505, SC 505, SC 50 TX, SC 50 TX, SC 50 TX, SC 60 TX, SC 60 TX, SC 60 TX, SC 70 TX
VOLVO: DD 28 HF, DD 38 HF, EC 55 B, EC 55 C, EC 55 PRO, EC 60 C, EC 60 E, EC 60 E, ECR 50 F, ECR 58, ECR 58 D, ECR 58 D, ECR 58 D, ECR 58 F, ECR 58 PLC, ECR 58 PLUS, ECR 88, ECR 88 D, ECR 88 D, ECR 88 D, EW 50, EW 55 B, EW 60 E, EW 60 E, EW 60 E, EW 60 E, SD 25 D
WACKER NEUSON: 3001, 3001, 3001 S, 4001, 4001, 4001
WCM: W 60, W 65
WILLE: 265, 355 B
XCG: 60-8
XCMG: XE 60
XGMA: 806
YALE: GB 25 TF, GDP 25 TF, GDP 30 TF
YANMAR: 4 TNE 94 E-SA/G1A, 4 TNE 98 E-SA/G1A, B 07-5A, B 50 W, B 55 W-1, B 55 W-2, B 55 WCR/W1K, B 7-6S, B 7 SIGMA, C 30 R-1, C 30 R-2, C 30 R-A, VIO 20, VIO 70 CR, VIO 75-A, VIO 75-C, VIO 75 CR, VIO 75 CR/VCR, VIO 80, VIO 80-4, VIO 80 U
YUCHAI: YC 25-8, YC 35, YC 35-8, YC 55-8, YC 60-8, YC 65-8
ZHEJIANG XINCHAI: HT 50
COMPATIBLE CON LAS SIGUIENTES REFERENCIAS:
1310.0301.60 , RS 3702 , RS 3988 , RS 4595 , 7005000 , KAH 1386 , 133720 A 1 , 1348726 , 6666333 , P 82-2648 , P 82-2768 , A 213625 , A 213939 , A 290940 , DWA 213939 , HLT 0621020A9 , 4710-0024 , 474-00024 , 9213939 , 76591604 , 72957472 , AF 25436 , AF 25505 , AF 25553 , 11M8-20120 , 3272147 , 12188972315320 , 8972315320 , 8-97231532-0 , 8050800 , 7024438 , DMU 210614 , RE 68048 , LE 02P00002 , LE 02P00002-3 , LE 02P00003 , LE 11P00002S002 , YT 11F00002S002 , YT 11P00025002 , YM 129062-12560 , YM 129916-12500 , Z76-02-BX006 , 3EB-02-34750 , 600-185-1300 , 600-185-1310 , R 1401-4227-0 , R 1401-42270 , R 2401-4227-0 , R 2401-42270 , RD 452-4227-0 , RD 452-4227-1 , C 13145 , C 13145/2 , 3621407 M 1 , 317595 A 1 , 427473 A 1 , M 12004311 , 91E61-00112 , 91561-00112 , 1000099475 , 4555411 , 87682294 , 87682994 , SL 5674 , S 2742 A , 12907-11110 , 20801-03521 , 256G1-08011 , 0200339 , 200339 , 77295 , 842974300 , 14519261 , 16631876 , 43921238 , 46489 , EA 213939 , EA213939 , 119005-12511 , 129062-12560 , 129687-12510 , 129906-12520 , SA 16059
Precio con impuestos: 
