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IRONREFERENCE

1 850 827 M1

Pin, Pivot, Arm and Lever (Lift Pump)

MF 65fuel

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Supersession History

Part Details

OEM Number
1 850 827 M1
Part Name
Pin, Pivot, Arm and Lever (Lift Pump)
Qty per Tractor
1
System
fuel
Notes
Lift pump arm and lever pivot pin. Perkins No. 0610847. Source: MF 65 Parts Book Manual page 133. needs_verification=true.

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Related

Specs & Torques

Factory specs for the fuel on the MF 65from a service manual covering this part's assembly.

Fastener / MeasurementValue
Perkins A4.203 IDI: Injection pump spindle diameter
Injection pump support spindle
1.6225–1.6238 inch
Perkins A4.203 IDI: Injection pump hub bore diameter
1.6245–1.626 inch
Perkins A4.203 IDI: Injection pump spindle-to-hub clearance limits
0.0007–0.0035 inch
Perkins A4.203 IDI: Injection pump hub end play
0.0011–0.003 inch
Perkins A4.203 IDI: Fuel pump operating pressure
5–8 psi
Perkins A4.203 IDI: Injection timing static (BTDC)
18° or 20° depending on model. CAV DPA pump (3242656/657/697/698).
18–20 deg-BTDC
Perkins A4.203 IDI: Fuel injector opening pressure (used >25 hrs)
CAV nozzle BDL110S6133, holder BKB32SD5085
1760–1760 psi
Perkins A4.203 IDI: Fuel injector opening pressure (new injectors)
New or rebuilt with new springs
1980–1980 psi
Perkins A4.203 IDI: Injector securing nut torque
Per fuel system torque table
21–24 ft-lbs
Perkins A4.203 IDI: Nozzle cap nut torque
50–50 ft-lbs
Perkins A4.203 IDI: Leak-off banjo bolt torque
5–7 ft-lbs
Perkins A4.203 IDI: Injection pump mounting screw torque
12–14 ft-lbs
Full MF 65 torque reference →

Service Procedures

R&R and adjustment procedures for the fuel on the MF 65.

Source: MF 65 Workshop Service Manual (manual id=12). ASTM D975-59T per manual.

Fuel tank capacity (Perkins A4.203 IDI): 13-3/4 US gal (11-1/2 Imp gal)

Source: MF 65 Workshop Service Manual (manual id=12).

Air cleaner: oil-bath type, fill to mark

Source: MF 65 Workshop Service Manual (manual id=12). Replace primary every 500h, secondary every 1000h.

Primary + secondary fuel filter inspection: every 100 hours

every 100 hr

Source: MF 65 Workshop Service Manual (manual id=12).

Primary fuel filter element replacement: every 500 hours

every 500 hr

Source: MF 65 Workshop Service Manual (manual id=12).

Secondary fuel filter element replacement: every 1000 hours

every 1000 hr

Source: MF 65 Workshop Service Manual (manual id=12). If pressure is wrong, replace or overhaul pump.

Fuel pump test: 5-8 psi at outlet via hand-prime or starter cranking

Source: MF 65 Workshop Service Manual (manual id=12). Continental GB-176, MF 65 LP-Gas. Group O Section P Part 1.

MF 65 LP-Gas Zenith Type C regulator valve adjustment: with adjusting screw seated lightly, slowly turn the screw counter-clockwise to find the point of bubble leak at the outlet. Then turn the adjusting screw clockwise (to the right) 3/4 to 1 turn from this point.

Source: MF 65 Workshop Service Manual (manual id=12). Fuel tank capacity 17 US gallons.

Perkins AD4.203 DI fuel: use Diesel #1-D for winter operation, #2-D for summer operation per ASTM D975-59T. For cold weather, the pour point should be specified 10°F below the ambient temperature at which the engine is to be operated. Low-atmospheric temperatures and high-altitude operation may require fuels with higher cetane ratings.

All MF 65 service procedures →

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Capacities, fluid specs, filter cross-refs, torque specs — one printable page.

Data last verified April 2026. Sources: Massey Ferguson parts books, manufacturer catalogs, community submissions.