Piston Cyl 2 Monarch

Enhance your heavy equipment performance with the Case Construction Piston Cylinder 2 Monarch #3977. Engineered for durability and efficiency, this high-quality piston cylinder ensures optimal hydraulic function, making it an essential component for your construction machinery.

Compatible equipment

This part fits CASE TRENCHER, DAVIS TASKFORCE SUPER TRENCHER, WHEEL LOADER STD LINKAGE - STAGE V - 2025 UPDATES, DRIVE - WHEEL LOADER STD LINKAGE - STAGE V - 2025 UPDATES, WHEEL LOADER - STAGE V - TS - ZBAR, WHEEL LOADER - T4B - STD LINKAGE, WHEEL LOADER - T4B - XR LINKAGE, CASE CRAWLER EXCAVATOR, CASE CRUZ-AIR WHEELED EXCAVATOR, CASE CRAWLER EXCAVATOR - DUAL POWER ELECTRIC & DIESEL ENGINE, CASE LONG TRACK/TURNABLE LEVELER CRAWLER EXCAVATOR, STD LINKAGE WHEEL LOADER STAGE 5, CASE CRAWLER TRACTOR, CRAWLER DOZER, POCLAIN CRAWLER EXCAVATOR, CASE LOGGER CRAWLER EXCAVATOR, CASE FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT CRAWLER EXCAVATOR, COMPACT WHEEL LOADER TIER 3, COMPACT WHEEL LOADER STD EVO, ZB, COMPACT WHEEL LOADER STD, TC, COMPACT WHEEL LOADER STD, ZB, SERIES - CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER, CASE UNI-LOADER SKID STEER LOADER W/DEUTZ ENGINE, CRAWLER DOZER TIER 2, SERIES 3 CRAWLER TIER 3, CASE GASOLINE ENGINE, SMALL WHEEL LOADER, UTILITY BACKHOE, DROTT LOGGER & HEAVY DUTY CRAWLER EXCAVATOR, COMPACT WHEEL LOADER HS, ZB, COMPACT WHEEL LOADER HSP, ZB - TIER 4 - MY23, COMPACT WHEEL LOADER HSP, ZB, LOADER AND BACKHOE, CASE TERRATRAC CRAWLER TRACTOR, BACKHOE, LOADER, DAVIS FLEETHOE TRENCHER, CASE/BELOIT SKID KING WHEEL LOADER, CASE SKID KING WHEEL LOADER, BACKHOE AND LOADER FOR 530CK TRACTORS, BACKHOE FOR W7, W9A, W9B, W10, CASE WHEEL TRACTOR, COMPACT WHEEL LOADER HPS EVO, XR, COMPACT WHEEL LOADER HSP EVO, ZB, COMPACT WHEEL LOADER STD, XR - TIER 4 - MY23, COMPACT WHEEL LOADER STD, XR, ARTICULATED TRUCK, BACKHOE AND LOADER, BACKHOE FOR 310G AND 450 CRAWLER, BACKHOE FOR 580CK, BACKHOE FOR W SERIES RIGID LOADERS, DROTT ENGINES FOR 35 CRAWLER - B SERIES, CASE ENGINE, BACKHOE FOR CRAWLER MODELS 750, 850, 1150, BACKHOE FOR 680CK TRACTOR, BACKHOES FOR CRAWLER MODELS 750, 850, 1150, ARTICULATED TRUCK S/N: UNTIL HHD000754, SERIES A INTERNATIONAL LOADER TRACTOR, BACKHOE FOR 450, 450B, 850, 850B, AND W14, CASE LOADER BACKHOE ATTACHMENTS, LOADER AND BACKHOE FOR 580CK SERIES B, CASE G.P. & L.C.G. WHEEL TRACTOR, CASE LOADER/LANDSCAPER TRACTOR, DROTT SERIES-B FELLER/BUNCHER CRAWLER EXCAVATOR, DROTT SERIES-A CRAWLER EXCAVATOR, DROTT SERIES-B CRAWLER EXCAVATOR, CASE SKID STEER LOADER, SKID STEER - 410 NA BSN N7M480924, 410 EU BSN N7M468736, SKID STEER - SERIES 3, 410 NA ASN N7M480924, 410 EU ASN N7M468736, INTERNATIONAL HARVESTER COMPACT LOADER, CASE INDUSTRIAL TRACTOR, SKID STEER - 420NA BSN N7M466710, 420EU BSN N8M466713, SKID STEER - TIER 3, 420NA N7M466710, 420EU ASN N8M466713, CASE WHEEL TRACTOR W/LOADER BACKHOE, COMPACT TRACK LOADER - BSN N7M455401, COMPACT TRACK LOADER - SERIES 3, ASN N7M455401, COMPACT WHEEL LOADER HS, ZB - STAGE V, SKID STEER - SERIES 3, ASN 430 NA N7M479683, 430 EU N7M479546, SKID STEER BSN 430 NA N7M479683, 430 EU N7M479546, CASE CONSTRUCTION KING WHEEL TRACTOR, SKID STEER - BSN N7M425032, SKID STEER - TIER 3 , ASN N7M425032, SKID STEER - 440 NA BSN N8M474469, 440 EU BSN N8M407542, SKID STEER - SERIES 3, 440 NA ASN N8M474469, 440 EU ASN N8M407542, COMPACT TRACK LOADER - BSN N7M483467, COMPACT TRACK LOADER - SERIES 3, ASN N7M483467, SKID STEER - BSN N7M454787, SKID STEER - TIER 3 , ASN N7M454787, COMPACT TRACK LOADER - BSN N8M458846, COMPACT TRACK LOADER - TIER 3 , ASN N8M458846, SKID STEER, TIER 2, P.I.N. N7M458414 & PRIOR, SKID STEER, TIER 3, P.I.N. N7M464019 & AFTER, CASE LONG TRACK CRAWLER TRACTOR, COMPACT TRACK LOADER - BSN N7M464019, COMPACT TRACK LOADER - SERIES 3 ASN N7M464019, SKID STEER - TIER 3 ASN N7M452623, SKID STEER BSN N7M452623, CASE CONSTRUCTION KING LOADER BACKHOE, CASE LOAD KING WHEEL LOADER, WHEEL LOADER XT LINKAGE - STAGE V - 2025 UPDATES, WHEEL LOADER - STAGE V - TS - XT, WHEEL LOADER - T4B - XT LINKAGE, CASE CONSTRUCTION KING FORKLIFT, IND - CASE CRAWLER TRACTOR, LOADER LANDSCAPER, SERIES 3 LOADER LANDSCAPER TIER 3 - ASN N8C510600, LOADER LANDSCAPER - LIVERY, LOADER LANDSCAPER - TIER 4B - MY26, LOADER LANDSCAPER - TIER 4A ASN NCC570600, BACKHOE LOADER TIER 4- MR1UP, TRACTOR LOADER BACKHOE, CASE CONSTRUCTION KING TRACTOR W/SHUTTLE TRANSMISSION, CASE CONSTRUCTION KING WHEEL TRACTOR W/HYDROSTATIC TRANSMISSION, ELECTRIC FOUR WHEEL DRIVE, CASE CONSTRUCTION KING LOADER BACKHOE - 4WD SUPPLEMENT, CASE CONSTRUCTION KING LOADER BACKHOE - TURBO SUPPLEMENT, SERIES 2 LOADER BACKHOE - ASN JJG0239360, BACKHOE LOADER - TIER 3 NRC, BACKHOE LOADER - TIER 4A - FROM PIN NCC560000, BACKHOE LOADER, BACKHOE LOADER, 2WD - TIER 3 NRC - MY18, BACKHOE LOADER, 2WD - TIER 3 NRC - MY19, BACKHOE LOADER, 2WD - TIER 4B - MY18, BACKHOE LOADER, 2WD - TIER 4B - MY19, BACKHOE LOADER, 4WD - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - TIER 3 NRC - MY19, BACKHOE LOADER, 4WD - TIER 4B - MY18, BACKHOE LOADER, 4WD - TIER 4B - MY19, LOADER BACKHOE - TIER 3 NRC, CASE SUPER-D CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-E CONSTRUCTION KING LOADER BACKHOE, CASE SUPER-K CONSTRUCTION KING LOADER BACKHOE, LOADER BACKHOE - BSN JJG0239361, BACKHOE LOADER - TIER 4A - FROM PIN NCC564000, LOADER BACKHOE, BACKHOE LOADER - WIDE TRACK, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY18, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 3 NRC - MY19, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY18, BACKHOE LOADER, 4WD - WIDE TRACK - TIER 4B - MY19, BACKHOE LOADER, WIDE TRACK, BACKHOE LOADER, WIDE TRACK - TIER 3 NRC, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD - TIER 4B - MY22, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD - TIER 4B - MY24, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD - TIER 4B - MY25, BACKHOE LOADER, CENTER PIVOT, TOOL CARRIER, 4WD, WEST VIRGINIA - TIER 4B - MY24, BACKHOE LOADER, SIDE SHIFT, STRAIGHT LOADER ARM, 4WD - TIER 3 - MY21, BACKHOE LOADER, SIDE SHIFT, TOOL CARRIER, 4WD - TIER 4B - MY22, BACKHOE LOADER, SIDE SHIFT, TOOL CARRIER, 4WD - TIER 4B - MY25, CASE CONSTRUCTION KING FORKLIFT TRACTOR, CASE FORKLIFT, FORKLIFT - LIVERY, FORKLIFT, TURBO LOADER BACKHOE, SERIES 2 LOADER BACKHOE - ASN JJG0210575, CASE TERRATRAC GASOLINE CRAWLER TRACTOR, CASE TURBO HORIZONTAL DIRECTIONAL DRILLING MACHINE, CASE WHEEL LOADER, SERIES 1 CRAWLER - 07/01/2002 - 01/31/2005, SERIES 2 CRAWLER TIER 2 - 01/21/2005 - 06/16/2006, SERIES 3 CRAWLER TIER 2 - 06/20/2006 - 12/31/2008, CASE SERIES-2 TELESCOPIC HANDLER, CASE TELESCOPIC HANDLER, CASE EXCAVATOR - HANDLING CLAMSHELL, CASE TIER-2 TELESCOPIC HANDLER, DAVIS TRIMLINE TRENCHER, DAVIS TASK FORCE TRENCHER, CASE WHEEL LOADER TIER 3, WHEEL LOADER TIER3 ZBAR EC4 - BR, WHEEL LOADER TIER3 ZBAR EC4 FERTILIZER - BR, WHEEL LOADER TIER3 ZBAR EC4 SUGARCANE BAGASSE - BR, CRAWLER DOZER TIER 3, POCLAIN WHEELED EXCAVATOR, WHEEL LOADER TIER 3 NA/EU, 4WD MOTOR GRADER ELECTRO-HYDRAULIC - STAGE V, 4WD MOTOR GRADER MY20 - STAGE V, 6WD MOTOR GRADER ELECTRO-HYDRAULIC - STAGE V, AWD MOTOR GRADER MY20 - STAGE V, MOTOR GRADER - ASN 020001, MOTOR GRADER TIER 2- BTW 020101-020187, Tier-4, CASE TURBO TRENCHER, MOTOR GRADER - ASN 022001, MOTOR GRADER TIER 2 - ASN 022101, MOTOR GRADER - ASN N5AF04007, MOTOR GRADER - ASN 024001, MOTOR GRADER TIER 2 - BTW 024102-024129, CASE TURNTABLE LEVELER CRAWLER EXCAVATOR, CASE EXCAVATOR - TILTING TOOL ATTACHMENT W/QUICK COUPLER, EXCAVATOR - TIMBER KING SUPPLEMENT, 4LE2XASS01 - ISUZU DIESEL ENGINE, 6UZ1XASS01 - ISUZU DIESEL ENGINE, CRUSHER, MAXI-SNEAKER CABLE LAYER, SERIES-B MAXI-SNEAKER CABLE LAYER, SERIES-B MINI-SNEAKER CABLE LAYER, COMPACT WHEEL LOADER STD, ELECTRIC, ZB, MIDI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V, CRAWLER EXCAVATOR TIER 3, MINI CRAWLER EXCAVATOR, ELECTRIC, ROLL-BAR, MINI CRAWLER EXCAVATOR - BTW PW11-30001 - PW12-40000, MINI CRAWLER EXCAVATOR, CAB - STAGE V, CRAWLER EXCAVATOR - LONG CARRIAGE - STAGE V, MINI CRAWLER EXCAVATOR, CAB - TR4F, MINI CRAWLER EXCAVATOR, CANOPY - TR4F, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CANOPY - STAGE V, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM,CAB - STAGE V, MINI CRAWLER EXCAVATOR, ELECTRIC, CAB, MINI CRAWLER EXCAVATOR, ELECTRIC, CANOPY, MINI CRAWLER EXCAVATOR, CAB, JAPAN ENGINE - STAGE V - MY25, MINI CRAWLER EXCAVATOR, CANOPY, JAPAN ENGINE - STAGE V - MY25, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V, MINI CRAWLER EXCAVATOR, CAB - STAGE V MY24, MINI CRAWLER EXCAVATOR, CANOPY - STAGE V MY26, MINI CRAWLER EXCAVATOR, 2 PIECE BOOM, CAB - STAGE V MY24, MIDI CRAWLER EXCAVATOR, CAB - STAGE V, CRAWLER EXCAVATOR, CRAWLER EXCAVATOR TIER 3 - ASN DAC075K3N8SLA7101, FLEETLINE 16+4 TRENCHER, FLEETLINE 25+4 TRENCHER, CASE TRENCHER W/1.8L DIESEL ENGINE, CASE TRENCHER W/2.1L ENGINE, TRENCHER - MITSUBISHI ENGINE, TRENCHER - STEERING WHEEL SUPPLEMENT, TRENCHER - CASE 188 DIESEL ENGINE, TRENCHER - CASE 207 DIESEL ENGINE, MINOTAUR COMPACT DOZER LOADER, ENGINE - 84229380, ENGINE 5801751510 - 47538795, ENGINE PN 5803254618 - 183 KW, ENGINE PN 5803497120 - 183 KW, ENGNE 5801751514 - 47538794, ENGINE PN 5803254619 - 169 KW, ENGINE PN 5803437733 - 169 KW, ENGINE PN 5803497117 - 169 KW, ENGINE PN 5803497118 - 169 KW, ENGINE 5801751526 47538797 W170C T4B LECCE, ENGINE 5801751522 - 47538793, ENGINE PN 5803437732 - 145 KW, ENGINE PN 5803497115 - 145 KW, ENGINE 5801643887 - 84582854, ENGINE 5801751530 - 47538792 - TIER4B, ENGINE PN 5801751533 - 121KW, ENGINE PN 5803437731 - 121 KW, ENGINE PN 5803497113 - 121 KW, ENGINE PN 5802463429 - 183KW, ENGINE PN 5802817978 - 183KW, ENGINE PN 5803254620 - 183 KW, ENGINE PN 5803497128 - 183 KW, ENGINE PN 5802453259 - 169KW, ENGINE PN 5802463430 - 169KW, ENGINE PN 5802817979 - 169KW, ENGINE PN 5803254621 - 169 KW, ENGINE PN 5803497125 - 169 KW, ENGINE PN 5802453261 - 145KW, ENGINE PN 5802463431 - 145KW, ENGINE PN 5802817980 - 145KW, ENGINE PN 5803497124 - 145 KW, ENGINE PN 5802463432 - 121KW, ENGINE PN 5802817982 - 121KW, ENGINE PN 5803497123 - 121 KW, ENGINE PN 5802819940 - 191KW, CASE TRENCHER W/LOADER BACKHOE, ISM ENGINE, DAVIS FLEETLINE 70+4 TRENCHER, SNEAKER - SERIES-C TRENCHER, SNEAKER C - 25+4XP TRENCHER, DAVIS MINI-SNEAKER CABLE LAYER, 60 - DAVIS LINE LAYER ATTACHMENT, IRRIGATION POWER UNIT, DAVIS FLEETLINE 30+4 SUPER TRENCHER, DAVIS FLEETLINE 40+4 SUPER TRENCHER, DAVIS FLEETLINE 30+4 TRENCHER, DAVIS FLEETLINE 7+2 TRENCHER, DAVIS FLEETLINE 40+4 TRENCHER, SMALL ARTICULATED LOADER, SKID STEER LOADER, SKID STEER LOADER - NRC, SKID STEER LOADER - TIER 3 - ROW, SKID STEER LOADER - TIER 4F - NA, VIBRATORY ROLLER, SKID STEER ENGINE - 844T, SKID STEER LOADER - S5 NA, REGULATED NA - TIER 4 - MY26, VIBRATORY ROLLER TIER 3, VIBRATORY ROLLER TIER 1, SKID STEER LOADER TIER 4, REGULATED NA, TIER 4 - MY26, SV340B-RGV-AP, MINI TRACK LOADER 1000 - STAGE V, ELECTRIC MINI TRACK LOADER, COMPACT TRACK LOADER, COMPACT TRACK LOADER - NRC, COMPACT TRACK LOADER - TIER 3 - ROW, COMPACT TRACK LOADER - TIER 4F - NA, TELEHANDLER, CASE UNIT LOADER, CASE WHEEL LOADER W/POD CAB - NEW YORK STATE SPECIAL, CASE ARTICULATED WHEEL LOADER including models TF300, TF300B, TL100, 1000, 1021G, 1021G X, 1021G2, 1080, 1080B, 1085B, 1085C, 1086B, 1088, 1121G, 1121G X, 1121G2, 1150B, 1150D, 1150E, 1150G, 1150H, 1150M LT, 1150M WT, 1150M WT/LGP, 1155D.

Frequently asked questions

What is the part number?

The manufacturer part number is 3977.

Is this a genuine OEM part?

Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.

Will this fit my machine?

See the compatible equipment list above. If your model is not listed, call us with your machine's serial number and we can confirm.

Where does this ship from?

Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.

Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.

30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.