Bolt Hex, M12 x 1.25 x 40mm, Cl 8.8, Full Thd — universal CNH service part, fits 291 models — 15540624

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Bolt Hex, M12 x 1.25 x 40mm, Cl 8.8, Full Thd — universal CNH service part, fits 291 models — 15540624

Part #15540624 No reviews yet — be the first Find it in 50 parts diagrams

Fits: New Holland T5.120, New Holland TL100, New Holland T5.115, New Holland TD95D, New Holland TD90D + 292 more

About this item

Genuine New Holland OEM part — direct factory replacement
Fits: New Holland T5.120, New Holland TL100, New Holland T5.115, New Holland TD95D, New Holland TD90D + 292 more
Secures the assembly to spec torque

New Holland
15540624
AG
FASTENERS
BOLT
all 9 specs

Replaces: 15540621; 719385034; why →

$7.12/ each · USD

In Stock

usually ships same day

Qty

Pack of 10

$71.20

Ships from Clinton Tractor, Clinton NY

OEM parts

30-day returns · see policy

Sold & shipped by Clinton Tractor & Implement Co.

Authorized New Holland dealer · since 1953

$7.12/ each · USD

In Stock

usually ships same day

Qty

Need a full pack?

Pack of 10 — $71.20

$7.12/ea · SKU CT-NHL-15540624-PK10

Order the complete pack of 10 in one click.

Ships from Clinton Tractor, Clinton NY

OEM parts

30-day returns · see policy

Sold & shipped by Clinton Tractor & Implement Co.

Authorized New Holland dealer · since 1953

Overview

Product description

Fits the New Holland Fiat 55-56-DT and Fiat 60-56-DT — this bolt hex secures the assembly to spec torque. Cataloged for 291 New Holland models across 38 series.

Specifications

Technical specifications

9 attributes

Part type: Bolt Hex
Fits: 291 New Holland models
Brand: New Holland
Part number (MPN): 15540624
SKU: CT-NHL-15540624
Category: FASTENERS
Part Number: 15540624
Division: AG
Kit Available: Yes

Fit & diagrams

Compatibility

Will it fit your machine?

Type your model to confirm it fits — or browse the full compatibility list below.

Equipment models this part fits
Model	Series
55-56-DT	FIAT
60-56-DT	FIAT
55-56	FIAT
60-56	FIAT
T6145	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6155	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6160	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6165	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6175	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6180	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6125	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6145	T6.XXX DYNAMIC COMMAND TRACTORS
T6145	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6145	T6.140 - 180 AUTOCOMMAND TRACTORS
T6155	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6155	T6.XXX DYNAMIC COMMAND TRACTORS
T6155	T6.140 - 180 AUTOCOMMAND TRACTORS
T6160	T6.XXX DYNAMIC COMMAND TRACTORS
T6160	T6.140 - 180 AUTOCOMMAND TRACTORS
T6165	T6.140 - 180 AUTOCOMMAND TRACTORS
T6165	T6.XXX DYNAMIC COMMAND TRACTORS
T6175	T6.140 - 180 AUTOCOMMAND TRACTORS
T6175	T6.XXX DYNAMIC COMMAND TRACTORS
T6180	T6.140 - 180 AUTOCOMMAND TRACTORS
T6180	T6.XXX DYNAMIC COMMAND TRACTORS
T6145	T6.XXX DYNAMIC COMMAND TRACTORS
T6145	T6.140 - 180 AUTOCOMMAND TRACTORS
T6155	T6.XXX DYNAMIC COMMAND TRACTORS
T6155	T6.140 - 180 AUTOCOMMAND TRACTORS
T6160	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6165	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6165	T6.XXX DYNAMIC COMMAND TRACTORS
T6165	T6.140 - 180 AUTOCOMMAND TRACTORS
T6175	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
T6175	T6.140 - 180 AUTOCOMMAND TRACTORS
T6175	T6.XXX DYNAMIC COMMAND TRACTORS
T6180	T6.140 - 180 AUTOCOMMAND TRACTORS
T6180	T6.XXX DYNAMIC COMMAND TRACTORS
T6180	T6.120 - 180 DUAL/ELECTRO COMMAND TRACTORS
TL90	TL
65-94-DT	FIAT
T6145	T6.XXX DYNAMIC COMMAND TRACTORS
T6145	T6.140 - 180 AUTOCOMMAND TRACTORS
T6155	T6.140 - 180 AUTOCOMMAND TRACTORS
T6155	T6.XXX DYNAMIC COMMAND TRACTORS
T6160	T6.140 - 180 AUTOCOMMAND TRACTORS
T6160	T6.XXX DYNAMIC COMMAND TRACTORS
T6165	T6.140 - 180 AUTOCOMMAND TRACTORS
T6165	T6.XXX DYNAMIC COMMAND TRACTORS
T6175	T6.140 - 180 AUTOCOMMAND TRACTORS
T6175	T6.XXX DYNAMIC COMMAND TRACTORS
T6180	T6.XXX DYNAMIC COMMAND TRACTORS
T6180	T6.140 - 180 AUTOCOMMAND TRACTORS
TK4100M	TK4.XXX
TK4100M	TK4.XXX
TK4110M	TK4.XXX
TK4110M	TK4.XXX
T6180	T6.XXX STAGE V
T7165	T7.XXX TIER 4B
T7165S	T7.XXX STAGE V

Showing the first 10 of 291 compatible models — type your model above to jump straight to it.

Not sure it fits? Search by serial number for an exact, machine-specific match.

Parts diagrams

Find it in the exploded diagram

Every diagram this part appears in — jump straight to its callout, or browse the whole assembly. Each diagram opens with every part numbered, and each callout links back to its own part page.

New HollandSystemAssemblyThis part

Parts diagrams this part appears in
Assembly	Machine	Callout	Parts	View
VAR - 744674, 4WD, FRONT FENDER (310MM), COMPONENTS	New Holland WORKMASTER-55 · Platform, Cab, Bodywork and Decals	#11	15	View
Std - Power Take-Off 540/750/1000 RPM	New Holland T6020 · Hydraulic Systems	#14	37	View
Var - 758329, Dynamic Front Fender, Support	New Holland T5.110 · Platform, Cab, Bodywork and Decals	#10	16	View
Power Take-Off 540/1000 RPM	Fiat 72-93 · Hydraulic Systems	#15540624	27	View
Power Take-Off	Fiat 82-93 · Hydraulic Systems	#15540624	12	View
Var - 390801, 390802, 744740, 758436, 758437, 758439, 758584, 758585, 758586, 758587 - PTO, Cover (540E/1000/1000E RPM)	New Holland T6.125 · Implement Power Take Off	#9	0	View
(Var.497-575) Dynamic Front Fenders	New Holland T7030 · Sheet Metal	#14	27	View
DIA KIT, TRACTOR, DYNAMIC FRONT FENDER (480MM)	New Holland T5.105 · Accessories	#10	16	View
FRONT AXLE W/BRAKES W/TRAILER BRAKE VALVE	Ford 8160 · Front Axle & Steering	#6	19	View
(Var.325) Electrohyd. Front Diffential Lock 40 Km/H, Brakes And Mudguards	New Holland TL100A · Front Axle & Steering	#13	26	View
VAR - 335884 - DYNAMIC FRONT FENDER, MUD DEFLECTOR 540 MM	New Holland T6.140 · Platform, Cab, Bodywork and Decals	#11	20	View
(VAR.333023) 310MM/140MM DRY	New Holland TK4020F · Wheels-Tracks	#15	17	View
Var - 758507 - Front Fender (540Mm)	New Holland T6.125 · Platform, Cab, Bodywork and Decals	#11	0	View
ALTERNATOR MOUNTING (SOUTH AFRICA)	Fiat 55-56 · Engine	#15540624	15	View
Var - 758024, PTO 540E/1000/1000E RPM, Housing	New Holland T7.165 · Implement Power Take Off	#6	0	View
Var - 758507 - Front Fender (540Mm)	New Holland T6.125 · Platform, Cab, Bodywork and Decals	#10	0	View
Power Take-Off 540/1000 G.	Fiat 72-86F-DT · Variations	#15540624	0	View
Var - 758507 - Front Fender (540Mm) - End Yr 13-Jul-2015	New Holland T6.125 · Platform, Cab, Bodywork and Decals	#8	0	View
Var - 758031	New Holland T7.165S · Implement Power Take Off	#5	28	View
Tractor Body	Fiat L65 · Transmission	#2	0	View
Var - 758024 - PTO 540E/1000/1000E RPM, Housing	New Holland T7.175 · Implement Power Take Off	#6	0	View
Power Take-Off 540/1000 RPM Reversable Shaft	New Holland T6030 · Hydraulic Systems	#17	25	View
VAR - 759251	New Holland TK4.100M · Tracks & Track Suspension	#11	29	View
Var - 759195 - PTO 540-540E RPM, Shaft, Bearing	New Holland TK4.100 · Implement Power Take Off	#9	47	View
VAR - 759251	New Holland TK4.100M · Tracks & Track Suspension	#11	29	View
(VAR.805) POWER TAKE-OFF 540/1000 RPM W/ GUARD & RELATED PARTS (TK76-M,TK85-M,TK95M)	New Holland TK76 · Hydraulic Systems	#18	26	View
Front Fenders	Fiat 45-66-DT · Sheet Metal	#15540624	20	View
NARROW CAB - MISCELLANEOUS PARTS	Fiat 70-88 · Operators Platform-Cab	#15540624	26	View
VAR - 333884 - DYNAMIC FRONT FENDER, MUD DEFLECTOR 420 MM	New Holland T6.140 · Platform, Cab, Bodywork and Decals	#11	20	View
Var - 758507 - Front Fender (540Mm) - Begin Yr 14-Jul-2015	New Holland T6.145 · Platform, Cab, Bodywork and Decals	#11	0	View
4WD WIDE FRONT FENDERS	New Holland TD5030 · Front Axle & Steering	#12	50	View
Dia Kit - Front Fenders	New Holland T7.220 · Accessories	#14	21	View
Var - 758969 - Dynamic Front Fender (420Mm)	New Holland T7.230 · Platform, Cab, Bodywork and Decals	#11	0	View
Tractor Body	Fiat 55-66 · Transmission	#15540624	16	View
Propeller Shaft	Fiat F140-DT · Front Axle & Steering	#15540624	17	View
Var - 390801, 758436, 758437	New Holland T6.125 · Implement Power Take Off	#9	32	View
(VAR.817) POWER TAKE-OFF 540-750-1000 RPM - SHAFT, GEARS, FORK	New Holland TL80A · Hydraulic Systems	#12	0	View
Dynamic Front Fenders	New Holland T7.220 · Platform, Cab, Bodywork and Decals	#14	29	View
Var - 332785, 390831, 390832, 743597	New Holland T4.105 · Hitches, Drawbars & Implement Couplings	#1	9	View
Propeller Shaft	Fiat F100-DT · Front Axle & Steering	#15540624	18	View
Var - 391139, 758023 - PTO 540/540E/1000 RPM, Housing	New Holland T7.175 · Implement Power Take Off	#6	0	View
Var - 758506 - Front Fender (480Mm)	New Holland T6.145 · Platform, Cab, Bodywork and Decals	#10	0	View
Var - 390801, 744740, 758436, 758439 - Rear PTO, PTO 540/540E/1000 RPM, PTO Gear Housing	New Holland T6.145 · Implement Power Take Off	#9	0	View
Propeller Shaft	Fiat 70-66S-DT · Front Axle & Steering	#15540624	22	View
Var - 718510	New Holland TS6110 · Accessories	#22	30	View
Var - 758972	New Holland T7.165S · Platform, Cab, Bodywork and Decals	#11	15	View
Var - 330801 - Power Take-Off 540/750/1000 RPM - Casing, Gears And Support	New Holland T6010 · Hydraulic Systems	#14	37	View
Power Take-Off	Fiat 80-88 · Hydraulic Systems	#15540624	28	View
Var - 758505	New Holland T6.145 · Platform, Cab, Bodywork and Decals	#11	16	View
Power Take-Off	Fiat 88-93 · Hydraulic Systems	#15540624	12	View

Older numbers

Older part numbers for this part

If your manual or an old invoice lists one of these, 15540624 is the current number to order. The old numbers bring you to this page.

15540621
719385034

Machine specifications

Specs for the machines this part fits

Verified equipment data for the models in the compatibility list — match yours before ordering.

2 machines

Specifications for the machines this part fits
Specification	New Holland T6.1452015 - 2025	New Holland T6.1552012 - 2025
Engine	FPT 4.5L 4-cyl diesel	FPT 6.7L 6-cyl diesel
Transmission	16-speed partial power shift	24-speed two-speed power shift
Drive	2WD/4WD	2WD/4WD
Weight	10,561 lbs	11,045 lbs
Rear PTO	independent	independent
3-pt hitch	II · 8,338 lbs lift	II · 6,834 lbs lift
Fuel capacity	52.5 gal	60 gal
Rear tires	460/85R38	—

Service & support

Watch

Video guides

Install, fitment & service walkthroughs for this part.

5 videos

Questions

Frequently asked questions

Quick answers to what operators ask most before they order this part.

What equipment does New Holland part 15540624 fit?
It fits 291 New Holland models, including the Fiat 55-56-DT, Fiat 60-56-DT, Fiat 55-56 and 288 more.
Does part 15540624 replace an older part number?
Yes — 15540624 replaces 15540621, 719385034.
Is New Holland part 15540624 a genuine OEM bolt hex?
Yes — 15540624 is a genuine New Holland OEM bolt hex, supplied new by Clinton Tractor.

Buyers & extras

Reviews

Ratings & reviews

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Part guide

New Holland 15540624 bolt hex — buyer's guide

~1 min read

New Holland 15540624 is the bolt hex Clinton Tractor supplies for this application. It is listed as fitting 291 New Holland models.

What 15540624 fits

Fits: New Holland T5.120, New Holland TL100, New Holland T5.115, New Holland TD95D, New Holland TD90D + 292 more. Commonly ordered for the Fiat 55-56-DT, Fiat 60-56-DT, Fiat 55-56. If your machine isn't listed, check the serial number before ordering.

Which numbers it replaces

15540624 supersedes 15540621, 719385034. If your parts manual or the old box shows any of those numbers, this is the correct current replacement — no fitment change.

Bolt Hex, M12 x 1.25 x 40mm, Cl 8.8, Full Thd — universal CNH service part, fits 291 models — 1554062415540624 · $7.12

In Stock

$7.12In Stock

Bolt Hex, M12 x 1.25 x 40mm, Cl 8.8, Full Thd — universal CNH service part, fits 291 models — 15540624

About this item

Product description

Technical specifications

Will it fit your machine?

Find it in the exploded diagram

Older part numbers for this part

Specs for the machines this part fits

Video guides

Frequently asked questions

Ratings & reviews

No reviews yet — be the first

Other parts for this machine

New Holland 15540624 bolt hex — buyer's guide

What 15540624 fits

Which numbers it replaces

Specs for the machines this part fits

Video guides

Frequently asked questions

Ratings & reviews

No reviews yet — be the first

Other parts for this machine