VERATEK 5w30

Lubricant / Capacity Notes

a.

Engine sump, including filter, 40.0 litres

b.

Service Indicator: oil change interval varies with driving conditions. Maximum 140000 km;18 months.

c.

>-30°C

d.

Alternative recommendations, >-30°C: EO MAN 3977 5W-20

e.

Engine sump, including filter, 40.0 litres

f.

Service Indicator: oil change interval varies with driving conditions. Maximum 140000 km;18 months.

g.

>-30°C

h.

Gearbox refill; With 221 PTO, 15.0 litres

i.

Gearbox refill; With T3 oil cooler, 28.5 litres

j.

Preferred lubricant specification & >-40°C

k.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

l.

Gearbox refill; With 221 PTO, 15.0 litres

m.

Gearbox refill; With T3 oil cooler, 28.5 litres

n.

Preferred lubricant specification & >-40°C

o.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

p.

Gearbox refill, 25.0 litres

q.

>-40°C

r.

Gearbox refill, 13.0 litres

s.

Gearbox refill; With T3 oil cooler, 28.5 litres

t.

Preferred lubricant specification & >-40°C

u.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

v.

Gearbox refill; Without power take-off, 15.5 litres

w.

Gearbox refill; With T3 oil cooler, 28.5 litres

x.

Preferred lubricant specification & >-40°C

y.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

z.

Gearbox refill; Without intarder, 11.0 litres

ba.

Gearbox refill; With T3 oil cooler, 28.5 litres

bb.

Preferred lubricant specification & >-40°C

bc.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

bd.

Gearbox refill, 21.5 litres

be.

Gearbox refill; With separately mounted heat exchanger, 22.5 litres

bf.

Gearbox refill; With T3 oil cooler, 28.5 litres

bg.

Preferred lubricant specification & >-40°C

bh.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

bi.

Gearbox refill; With 'Intarder 2', 18.5 litres

bj.

Gearbox refill; With intarder and separately mounted heat exchanger, 19.5 litres

bk.

Gearbox refill; With T3 oil cooler, 28.5 litres

bl.

Preferred lubricant specification & >-40°C

bm.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

bn.

Gearbox refill, 25.0 litres

bo.

>-40°C

bp.

Gearbox refill, 13.0 litres

bq.

Gearbox refill; With T3 oil cooler, 28.5 litres

br.

Preferred lubricant specification & >-40°C

bs.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

bt.

Gearbox refill, 17.5 litres

bu.

Gearbox refill after overhaul, 22.0 litres

bv.

Preferred lubricant specification & >-40°C

bw.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

bx.

Gearbox refill, 12.0 litres

by.

Preferred lubricant specification & >-40°C

bz.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

ca.

Gearbox refill; With 'Intarder 2', 23.5 litres

cb.

Gearbox refill; With 'Intarder 3', 23.0 litres

cc.

Preferred lubricant specification & >-40°C

cd.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

ce.

Gearbox refill; With 'Intarder 2', 23.5 litres

cf.

Gearbox refill; With 'Intarder 3', 23.0 litres

cg.

Preferred lubricant specification & >-40°C

ch.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

ci.

Gearbox refill, 12.0 litres

cj.

Gearbox refill after overhaul, 13.5 litres

ck.

Preferred lubricant specification & >-40°C

cl.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

cm.

Gearbox refill, 19.0 litres

cn.

Gearbox refill after overhaul, 23.5 litres

co.

Preferred lubricant specification & >-40°C

cp.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

cq.

Gearbox refill; With 'Intarder 2', 23.5 litres

cr.

Gearbox refill; With 'Intarder 3', 23.0 litres

cs.

Preferred lubricant specification & >-40°C

ct.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

cu.

Gearbox refill, 12.0 litres

cv.

Preferred lubricant specification & >-40°C

cw.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

cx.

Gearbox refill, 12.0 litres

cy.

Preferred lubricant specification & >-40°C

cz.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

da.

Gearbox refill, 17.5 litres

db.

Gearbox refill after overhaul, 22.0 litres

dc.

Preferred lubricant specification & >-40°C

dd.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

de.

Gearbox refill, 22.0 litres

df.

Preferred lubricant specification & >-40°C

dg.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

dh.

Gearbox refill, 11.0 litres

di.

Preferred lubricant specification & >-40°C

dj.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

dk.

Gearbox refill, 13.0 litres

dl.

Gearbox refill; With T3 oil cooler, 28.5 litres

dm.

Preferred lubricant specification & >-40°C

dn.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

do.

Gearbox refill, 13.5 litres

dp.

Preferred lubricant specification & >-40°C

dq.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

dr.

Gearbox refill; Without power take-off, 15.5 litres

ds.

Preferred lubricant specification & >-40°C

dt.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

du.

Gearbox refill, 22.5 litres

dv.

Preferred lubricant specification & >-40°C

dw.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

dx.

Gearbox refill after overhaul, 13.5 litres

dy.

Gearbox refill, 12.0 litres

dz.

Preferred lubricant specification & >-40°C

ea.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

eb.

Gearbox refill, 12.5 litres

ec.

Preferred lubricant specification & >-40°C

ed.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

ee.

Gearbox refill, 12.5 litres

ef.

Preferred lubricant specification & >-40°C

eg.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

eh.

Gearbox refill, 23.5 litres

ei.

Preferred lubricant specification & >-40°C

ej.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

ek.

Gearbox refill, 23.5 litres

el.

Preferred lubricant specification & >-40°C

em.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

en.

Gearbox refill after overhaul; Without power take-off, 16.5 litres

eo.

Preferred lubricant specification & >-40°C

ep.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

eq.

Gearbox refill, 19.0 litres

er.

Gearbox refill after overhaul, 22.5 litres

es.

Preferred lubricant specification & >-40°C

et.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

eu.

Gearbox refill, 22.5 litres

ev.

Preferred lubricant specification & >-40°C

ew.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

ex.

Gearbox refill, 21.5 litres

ey.

Gearbox refill; With separately mounted heat exchanger, 22.5 litres

ez.

Gearbox refill; With T3 oil cooler, 28.5 litres

fa.

Preferred lubricant specification & >-40°C

fb.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

fc.

Gearbox refill, 21.5 litres

fd.

Gearbox refill; With separately mounted heat exchanger, 22.5 litres

fe.

Gearbox refill; With T3 oil cooler, 28.5 litres

ff.

Preferred lubricant specification & >-40°C

fg.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

fh.

Gearbox refill, 25.0 litres

fi.

Preferred lubricant specification & >-40°C

fj.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

fk.

Gearbox refill, 13.0 litres

fl.

Gearbox refill; With T3 oil cooler, 28.5 litres

fm.

Preferred lubricant specification & >-40°C

fn.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

fo.

Gearbox refill, 12.0 litres

fp.

Preferred lubricant specification & >-40°C

fq.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

fr.

Gearbox refill, 12.0 litres

fs.

Preferred lubricant specification & >-40°C

ft.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

fu.

Gearbox refill, 21.5 litres

fv.

Gearbox refill; With separately mounted heat exchanger, 22.5 litres

fw.

Gearbox refill; With T3 oil cooler, 28.5 litres

fx.

Preferred lubricant specification & >-40°C

fy.

Alternative recommendations, >-40°C: GO MAN 341Z4 75W-80

fz.

Initial filling, 10.5 litres

ga.

Preferred lubricant specification & >-40°C

gb.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

gc.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

gd.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

ge.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

gf.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

gg.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

gh.

Initial filling, 10.5 litres

gi.

Preferred lubricant specification & >-40°C

gj.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

gk.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

gl.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

gm.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

gn.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

go.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

gp.

Initial filling, 10.5 litres

gq.

Preferred lubricant specification & >-40°C

gr.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

gs.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

gt.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

gu.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

gv.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

gw.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

gx.

Initial filling, 10.5 litres

gy.

Preferred lubricant specification & >-40°C

gz.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

ha.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

hb.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

hc.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

hd.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

he.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

hf.

Initial filling, 10.5 litres

hg.

Preferred lubricant specification & >-40°C

hh.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

hi.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

hj.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

hk.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

hl.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

hm.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

hn.

Initial filling, 10.5 litres

ho.

Preferred lubricant specification & >-40°C

hp.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

hq.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

hr.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

hs.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

ht.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

hu.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

hv.

Initial filling, 10.5 litres

hw.

Preferred lubricant specification & >-40°C

hx.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

hy.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

hz.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

ia.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

ib.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

ic.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

id.

Initial filling, 10.5 litres

ie.

Preferred lubricant specification & >-40°C

if.

Alternative recommendations, Preferred lubricant specification: GO MAN 342S2 75W-90

ig.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S1 75W-90

ih.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

ii.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

ij.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

ik.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

il.

Initial filling, 12.0 litres

im.

Preferred lubricant specification & >-40°C

in.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

io.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

ip.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

iq.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

ir.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

is.

Initial filling, 12.0 litres

it.

Preferred lubricant specification & >-40°C

iu.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

iv.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

iw.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

ix.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

iy.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

iz.

Initial filling, 12.0 litres

ja.

Preferred lubricant specification & >-40°C

jb.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

jc.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

jd.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

je.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

jf.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

jg.

Initial filling, 12.0 litres

jh.

Preferred lubricant specification & >-40°C

ji.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

jj.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

jk.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

jl.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

jm.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

jn.

Initial filling, 14.5 litres

jo.

Preferred lubricant specification & >-40°C

jp.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

jq.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

jr.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

js.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

jt.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

ju.

Initial filling, 14.5 litres

jv.

Preferred lubricant specification & >-40°C

jw.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

jx.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

jy.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

jz.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

ka.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

kb.

Initial filling, 14.5 litres

kc.

Preferred lubricant specification & >-40°C

kd.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

ke.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

kf.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

kg.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

kh.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

ki.

Initial filling, 14.5 litres

kj.

Preferred lubricant specification & >-40°C

kk.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

kl.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

km.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

kn.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

ko.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

kp.

Initial filling, 14.5 litres

kq.

Preferred lubricant specification & >-40°C

kr.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

ks.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

kt.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

ku.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

kv.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

kw.

Initial filling, 14.5 litres

kx.

Preferred lubricant specification & >-40°C

ky.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

kz.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

la.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

lb.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

lc.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

ld.

Initial filling, 14.5 litres

le.

Preferred lubricant specification & >-40°C

lf.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

lg.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

lh.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

li.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

lj.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

lk.

Initial filling, 14.5 litres

ll.

Preferred lubricant specification & >-40°C

lm.

Alternative recommendations, Preferred lubricant specification, >-40°C: GO MAN 342S2 75W-90; GO MAN 342S1 75W-90

ln.

Alternative recommendations, Preferred lubricant specification, >-20°C: VERKOL GT-8/80w90 EP

lo.

Alternative recommendations, >-40°C: GO MAN 342M2 75W-90

lp.

Alternative recommendations, >-20°C: GO MAN 342M2 80W-90

lq.

Alternative recommendations, >0°C: GO MAN 342M2 85W-90; GO MAN 342M2 90

lr.

Cooling system; With intarder, 59.0 litres

ls.

Cooling system; Without intarder, 47.0 litres

lt.

De-ionised water with 60% anti-freeze & <-50°C

lu.

Alternative recommendations, De-ionised water with 50% anti-freeze, <-37°C: AF MAN 324SiOAT; AF MAN 324SiOAT plus

lv.

Alternative recommendations, De-ionised water with 60% anti-freeze, <-50°C: AF MAN 324SiOAT plus

lw.

Cooling system; With intarder, 59.0 litres

lx.

Cooling system; Without intarder, 47.0 litres

ly.

De-ionised water with 60% anti-freeze & <-50°C

lz.

Alternative recommendations, De-ionised water with 50% anti-freeze, <-37°C: AF MAN 324SiOAT; AF MAN 324SiOAT plus

ma.

Alternative recommendations, De-ionised water with 60% anti-freeze, <-50°C: AF MAN 324SiOAT plus

mb.

Power steering; Single type, 6.0 - 7.0 litres

mc.

Power steering; Double type, 15.0 - 16.0 litres

md.

Power steering; Electronically controlled steered leading or trailing axle, 4.0 litres

me.

Power steering; Mechanically controlled steered leading or trailing axle, 5.0 litres

mf.

Alternative recommendations: VESTA HM 46 / VESTA HLPD 46 / VESTA HLP 46

mg.

Alternative recommendations: ATF MAN 339Z2

mh.

Refrigerant, 800 g

mi.

Refrigerant; With auxiliary air-conditioning unit, 1,150 g

mj.

Air-conditioning condenser (only when renewed), additional capacity, 20.0 ml

mk.

Air-conditioning evaporator (only when renewed), additional capacity, 30.0 ml

ml.

Preferred lubricant specification

mm.

Alternative recommendations: PAG R 46

mn.

Preferred lubricant specification

mo.

Alternative recommendations: PAG R 46

mp.

Alternative recommendations: GR MAN 283Li-P2 2; GO MAN 341Z2 80W; GO MAN 341Z2 80W-90