72 products across five divisions. Every grade is formulated to meet or exceed the industry and OEM specifications listed against it. Formal OEM approvals will be shown on individual products as they are granted. Always check the vehicle or equipment handbook.
Built around the UK car parc: European and Japanese makes, a heavy diesel share and a fleet that has moved to low-SAPS oils for DPF and GPF protection.
Core sellers · fully synthetic, low-SAPS
Product
Meets or exceeds
Common UK fit
Obsidian Ultrex5W-30
ACEA C3 · MB 229.51 · VW 504 00 / 507 00 · dexos2 · BMW LL-04
VAG, BMW, Mercedes, Vauxhall. The UK’s best-selling grade
Obsidian Ultrex5W-30 C2/C3
ACEA C2/C3 · PSA B71 2290
Peugeot, Citroën, Vauxhall
Obsidian Ultrex5W-20
Ford WSS-M2C948-B · ACEA C5
Ford EcoBoost petrol
Obsidian Ultrex0W-30
ACEA C2/C3 · VW 504 00 / 507 00
Late VW, Audi, Seat and Skoda petrol and diesel
Obsidian Ultrex0W-30 C2
ACEA C2 · PSA B71 2312 · Stellantis FPW9.55535/03 · Ford WSS-M2C950-A · JLR STJLR.03.5007
JLR Ingenium, Ford EcoBlue, Peugeot and Citroën PureTech and BlueHDi
Obsidian Ultrex0W-20
ACEA C5 · API SP · dexos1 · JLR STJLR.51.5122
Toyota and Lexus hybrids, JLR, Hyundai, Kia
Obsidian Ultrex0W-20 VW 508/509
VW 508 00 / 509 00 · Porsche C20 · ACEA C5
VW, Audi, Seat and Skoda from 2019 on, Golf 8 era petrol and TDI Evo, Porsche
Obsidian Ultrex5W-40
ACEA C3 · MB 229.51 · VW 502 00 / 505 00 · BMW LL-04 · RN0710
Peugeot, Citroën, Vauxhall, Renault and Dacia manual gearboxes
Obsidian Gear Oil75W-90
Fully synthetic · API GL-5
Manual boxes and axles
Obsidian Gear Oil80W-90
API GL-5
Axles, older gearboxes
Obsidian Gear Oil75W-140 LS
API GL-5 · limited slip
LSD axles, 4x4
Coolants, brake and ancillaries
Product
Meets or exceeds
Common UK fit
Obsidian AntifreezeOAT Concentrate
ASTM D3306 · VW G12++ / G13 · red
Modern VAG and most European cars
Obsidian AntifreezeHybrid Concentrate
BS 6580 · G11 / G48 · blue
Older European cars
Obsidian Brake FluidDOT 4
Low-viscosity ESP / ABS grade
All modern cars
Obsidian Brake FluidDOT 5.1
FMVSS 116
Performance and motorcycles
Obsidian Power Steering Fluid
Multi-vehicle
Hydraulic PAS systems
13 products · 20 L · 208 L drum · 1000 L IBC
Commercial
Built around the UK truck, bus and coach fleet: DAF, Scania, Volvo, Mercedes-Benz Actros, MAN, Iveco and Renault Trucks.
Engine oils · heavy-duty diesel
Product
Meets or exceeds
Common UK fit
Obsidian Haulix5W-30
ACEA E6/E7 · low-SAPS · MB 228.51 · MAN M3477 · Volvo VDS-4
Euro 6 trucks with DPF, SCR and AdBlue; fuel-economy fleets
Obsidian Haulix10W-30
ACEA E6/E9 · low-SAPS · Volvo VDS-4.5 · Renault RLD-3 · MAN M3677
Euro 6 DAF, Volvo, Renault, Iveco
Obsidian Haulix10W-40
ACEA E4/E7 · MB 228.5 · MAN M3277 · Volvo VDS-3
Euro 5 and older trucks without DPF, long drains
Obsidian Haulix15W-40
ACEA E7 · API CI-4 · MB 228.3 · Volvo VDS-3 · Cummins CES 20078
Older and mixed fleets, buses and coaches
Engine oils, latest spec · ACEA 2022 E8/E11, API CK-4
Product
Meets or exceeds
Common UK fit
Obsidian Haulix5W-30 E8/E11
ACEA E8/E11 · API CK-4 · Volvo VDS-4.5 · MB 228.31 · MAN M3677
Euro 6 fleets on the latest service specs, fuel economy
Obsidian Haulix10W-30 E8/E11
ACEA E8/E11 · API CK-4 · Volvo VDS-4.5 · Renault RLD-3 · Cummins CES 20086
Euro 6 DAF, Volvo, Renault and mixed Euro 6 fleets
Obsidian Haulix10W-40 E8/E11
ACEA E8/E11 · API CK-4 · MB 228.31 · MAN M3575 · Volvo VDS-4.5
Mixed Euro 5 and Euro 6 fleets, one oil for the yard
Obsidian Haulix15W-40 E8/E11
ACEA E8/E11 · API CK-4 · Volvo VDS-4.5 · Cummins CES 20086 · Mack EOS-4.5
Buses, coaches and mixed-age fleets
Driveline and ancillaries
Product
Meets or exceeds
Common UK fit
Obsidian Haulix Gear Oil75W-90
Fully synthetic · API GL-5 · MAN 342 · ZF TE-ML 12
Drive axles and hub reduction, extended drains
Obsidian Haulix Gear Oil80W-90
API GL-5 · MAN 342 M1
Axles on older trucks and trailers
Obsidian Haulix Transmission Fluid
ZF TE-ML 14 · Voith H55.6335 · Allison TES 295
Bus and coach automatic gearboxes
Obsidian Haulix AntifreezeLong-life OAT
ASTM D6210 · MB 325.3 · MAN 324 SNF
Heavy-duty cooling systems, all major makes
Obsidian Haulix Grease EP2NLGI 2
Lithium EP
Fifth wheels, kingpins, chassis greasing
10 products · 20 L · 208 L drum · 1000 L IBC
Agricultural
Built around the UK farm fleet: John Deere, Massey Ferguson, New Holland, Case IH, Fendt, Claas, JCB and Valtra.
Engine, transmission and hydraulics
Product
Meets or exceeds
Common UK fit
Obsidian Agri STOU10W-30
API CG-4/SF · MF M1139 / M1145
Older Massey and mixed-fleet tractors
Obsidian Agri STOU10W-40
ZF TE-ML 06/07
Mixed-fleet engine, transmission and hydraulics
Obsidian Agri STOU15W-40
API CG-4/SF
Older tractors, one-oil farms
Obsidian Agri UTTO
JD J20C/D · MF M1135 / M1143 · Ford M2C134-D · Case MS1206 / 1207
Transmission and hydraulics, most makes
Obsidian Agri Tractor Hydraulic Fluid
Multi-OEM THF · JCB · ZF TE-ML 03
Loaders, telehandlers, tractor hydraulics
Obsidian Agri Engine Oil15W-40
ACEA E7/E9 · API CI-4 · JD · MB 228.3
Pre-DPF tractors and combines
Obsidian Agri Engine Oil10W-40
ACEA E6/E7 · low-SAPS
DPF, SCR and AdBlue tractors
Obsidian Agri Gear Oil80W-90
API GL-5
Axles and final drives
Obsidian Agri Gear Oil85W-140
API GL-5
Heavy-duty axles
Obsidian Agri Grease EP2NLGI 2
Lithium EP
General farm greasing
12 products · 20 L · 208 L drum · 1000 L IBC
Off-Highway
Built around the UK plant fleet: JCB, Caterpillar, Komatsu, Volvo CE, Hitachi and Terex.
Plant and construction
Product
Meets or exceeds
Common UK fit
Obsidian SitePro Engine Oil10W-40
ACEA E6/E7 · low-SAPS · MB 228.51
Tier 4 and Stage V plant
Obsidian SitePro Engine Oil15W-40
ACEA E7 · API CI-4 · JCB
Older plant, mixed fleets
Obsidian SitePro Hydraulic OilISO 32
DIN 51524 Pt 2 HLP
Cold-start and light-duty systems
Obsidian SitePro Hydraulic OilISO 46
DIN 51524 Pt 2 HLP
The UK standard-duty grade
Obsidian SitePro Hydraulic OilISO 68
DIN 51524 Pt 2 HLP
Heavy duty, warm running
Obsidian SitePro Hydraulic OilISO 100
DIN 51524 Pt 2 HLP
High-load, high-temperature systems
Obsidian SitePro Biodegradable HydraulicISO 46
HEES · ISO 15380
Waterways and sensitive sites
Obsidian SitePro Final Drive OilSAE 30
Cat TO-4 / C-4
Dozers, loaders, final drives
Obsidian SitePro Transmission FluidSAE 10W
Cat TO-4
Powershift transmissions
Obsidian SitePro Slideway OilISO 68
DIN 51502 CGLP
Slideways and guideways
Obsidian SitePro EP GreaseNLGI 2
Lithium EP
General plant greasing
Obsidian SitePro Moly GreaseNLGI 2
Molybdenum disulphide
Pins, bushes, high-load points
8 products · 20 L · 208 L drum · 1000 L IBC
Power Generation
Built around UK standby, prime-power and gas-to-power sites: Cummins, Perkins, FG Wilson, Caterpillar and MTU diesel gensets, and Jenbacher, MWM and Caterpillar gas engines.
Diesel generator oils · standby and prime power
Product
Meets or exceeds
Common UK fit
Obsidian GenPro Diesel Engine Oil15W-40
ACEA E7 · API CI-4 · Cummins CES 20078 · MTU Type 2
Standby and prime-power gensets, hospitals, data centres
