PROPERTIES

DOD-L-85734

TYPICAL

Oil Type

Synthetic

Synthetic

ester

ester

Kinematic Viscosity

mm ²/s

@ 98.9°C

5.0 to 5.5

5.4

@ 37.8°C

25.0 min

29.0

@ –40°C

13000 max

11000

Flashpoint, Cleveland

Open Cup

°C

246 min

>246

Pourpoint

°C

–54 max

Below –54

Total Acidity

mgKOH/g

0.5 max

0.3

Evaporation Loss 6.5 hrs

@ 204°C

% m

10.0 max

2.6

Foaming

Must pass

Passes

Swelling of Standard

Synthetic Rubber

SAE-AMS 3217/1,

72 hrs @ 70°C

swell %

0 to 25

14

SAE-AMS 3217/4,

72 hrs @ 204°C

swell %

0 to 25

14

Thermal Stability/Corrosivity

96 hrs @ 274°C

– metal weight change   mg/cm²

4 max

–0.97

– viscosity change @ 37.8°C  %

5 max

–1.2

– Total Acid Number Change

mgKOH/g

6 max

2

Corrosion & Oxidation Stability

72 hrs @ 175°C

Must pass

Passes

72 hrs @ 204°C

Must pass

Passes

72 hrs @ 218°C

Must pass

Passes

Ryder Gear Test, Relative Rating

Hercolube A

%

145

>145

Bearing Test Rig

Type 1¹?2   conditions

– Overall deposit demerit rating

80.0 max

22

– viscosity change @ 37.8°C                      %

–5 to +30

21

– Total Acid Number change

mgKOH/g

2 max

0.83

– filter deposits

g

3 max

0.5

Sonic shear stability

– viscosity change @ 40°C  

%

4 max

NIL

Trace metal content

Must pass

Passes

Sediment

mg/l

10 max

Passes

Ash

mg/l

1 max

Passes

U.S.

Approved DOD-L-85734

British

Approved DEF STAN 91-100

Note: both UK and US production are

manufactured to the same formulation.

French

–

Russian

–

NATO Code

O-160

Joint Service Designation

OX-26

Pratt & Whitney

Approved 521C Type II

General Electric

Approved D-50 TF 1

Allison

Approved EMS-53 (Obsolete)

Honeywell

Auxiliary Power Units GTCP 30, 36, 85,

331, 660 and 700 series

General Electric

CT58, CT64, CF700, CJ610

Motorlet

MD601D, E and Z

Pratt & Whitney

JT3, JT4, JT8, JT9, JT12, PW4000

Pratt & Whitney Canada

ST6, PW200

Rolls-Royce

Trent, Adour, Gem, Gnome, M45H,

Olympus 593, RB199

Turbomeca

Makila

IAE

V2500 Series, all marques

US Military

    Approved for helicopter transmission

specification DOD – L – 85734

Eurocopter

Approved for Super Puma, for other

helicopters check with Eurocopter

Agusta

Approved for A109 and A129 models, for

other models check with Agusta

Bell Helicopter Textron

Approved for all Bell turbine engined

powered helicopters

Boeing Vertol

Approved for Chinook

McDonnell Douglas

Approved

MBB

Approved

Sikorsky

Approved for S-61N (note other types such

as the S-70 and S-76 do not use synthetic

turbine oils in the transmission)

Westland Helicopters

Approved for some models