CNH OIL AND FUEL DRAIN KIT Installation Instructions (51618031)

Out in the yard or on the farm, these CNH machines usually live in dirt, dust, and cold starts, with oil and fuel changes happening in tight spots under a coated frame. This installation manual walks you through how to route and mount the CNH oil and fuel drain kit so you can drain cleanly without making a mess or cracking something expensive. Picture this: you’re trying to change fuel on a muddy morning, can’t reach the plug, and you’re sliding a pan around on gravel—this guide shows you how to install the kit so next time you just hook a hose, open a valve, and you’re done.

Applications & Use Cases

• Trace existing oil and fuel lines, then route the new drain lines so they don’t rub on tires, linkages, or sharp brackets.
• Check mounting points and verify clearances before you drill or clamp anything permanent.
• Isolate the system, then install and test the drain valves so they seal properly and don’t seep under vibration.
• Inspect hose runs after a few hours of work to confirm they’re not pinched, kinked, or chafing on metal.
• Use the steps to bleed any air if the fuel side of the kit requires cracking a fitting after installation.

FAQ

Q: Is this a PDF I can search on my laptop or phone?

A: It’s typically a standard PDF, so you can search text, zoom diagrams, and keep it open while you’re under the machine.

Q: Can I print just the pages I need for the jobsite?

A: Yeah, you can usually print selected pages, toss them in a plastic sleeve, and keep greasy fingerprints off your main copy.

Safety Note

Always relieve system pressure and let hot oil or fuel cool before you crack lines or open any drain in this kit.

CNH OIL AND FUEL DRAIN KIT Index:

1 SAFETY INFORMATION
Safety rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
2 KIT CONTENT
Kit overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
3 GENERAL INFORMATION
Basic instructions – Important notice regarding equipment servicing. . . . . . . . . . . . . . . . . . . . . . . 3-1
Basic instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
4 PRE-ASSEMBLY
PREPARING FOR ASSEMBLY
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
5 ASSEMBLY
Install
Kit installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

CNH

51618030 – OIL AND FUEL DRAIN KIT
CASE CONSTRUCTION
836C Grader 836C TIER4B New Livery
[FNH836C0NHHF01001 – ]
836C AWD Grader 836C TIER4B
ALL WHEEL DRIVE New Livery
[FNH836CANGHF01002 – ]
856C Grader 856C TIER4B New Livery
[FNH856C0NHHF01012 – ]
856C AWD Grader 856C TIER4B
ALL WHEEL DRIVE New Livery
[FNH856CANGHF01003 – ]
836C AWD STAGE V Grader 836C AWD
Stage V [FNH836CANZHF01196 – ]
836C AWD STAGE V GRADER
ELECTRO HYDRAULIC CONTROLS
[FNH836CANZHF01503 – ]
836C STAGE V Grader 836C Stage V
[FNH836C0NZHF01345 – ]
836C STAGE V GRADER
ELECTRO HYDRAULIC CONTROLS
[FNH836C0NZHF01612 – ]
856C AWD STAGE V Grader 856C AWD
Stage V [FNH856CANKHF01192 – ]
856C AWD STAGE V GRADER
ELECTRO HYDRAULIC CONTROLS
[FNH856CANNHF01489 – ]
856C STAGE V Grader 856C Stage V
[FNH856C0NLHF01312 – ]
856C STAGE V GRADER
ELECTRO HYDRAULIC CONTROLS
[FNH856C0NNHF01492 – ]
836D Electro-Hydraulic Controls, Stage V
[FNH836D0NZHF01751 – ]
836D Mechanical Controls, Stage V
[FNH836D0NZHF01617 – ]
836D Electro-Hydraulic Controls, Stage V –
ZF EC4 Transmission Control Unit
836D Mechanical Controls, Stage V – ZF
EC4 Transmission Control Unit
836D AWD Electro-Hydraulic Controls,
Stage V [FNH836DANZHF01633 – ]
836D AWD Mechanical Controls, Stage V
[FNH836DANZHF01678 – ]
836D AWD Electro-Hydraulic Controls,
Stage V – ZF EC4 Transmission Control
Unit [FNH836DANZHF01780 – ]
836D AWD Mechanical Controls, Stage
V – ZF EC4 Transmission Control Unit
[FNH836DANZHF01807 – ]
856D Electro-Hydraulic Controls, Stage V
[FNH856D0NPHF01689 – ]
856D Mechanical Controls, Stage V
[FNH856D0NRHF01714 – ]
856D Electro-Hydraulic Controls, Stage V –
ZF EC4 Transmission Control Unit
856D Mechanical Controls, Stage V
– ZF EC4 Transmission Control Unit
[FNH856D0NZHF01814 – ]
856D AWD Electro-Hydraulic Controls,
Stage V [FNH856DANPHF01629 – ]
856D AWD Mechanical Controls, Stage V
[FNH856DANPHF01682 – ]
856D AWD Electro-Hydraulic Controls,
Stage V – ZF EC4 Transmission Control
Unit [FNH856DANZHF01778 – ]
856D AWD Mechanical Controls, Stage V –
ZF EC4 Transmission Control Unit