Federally Approved | ADR-Tested | SSM Certified
Chevrolet Silverado 2500HD GVM Upgrades Australia
Federally approved GVM upgrade packages for the Chevrolet Silverado 2500HD. Every stage is ADR-tested, SSM-certified, and installed by our national network of approved specialists.
- Federal / SSM Certification
- ADR-Tested & Approved
- Australia-Wide Installer Network
Why Upgrade Your Chevy Silverado 2500HD's GVM?
ORI Chevy Silverado 2500HD GVM & GCM Specifications
OEM
Stage 1
Stage 2
Stage 3
Stage 3.5
Stage 4
STAGE 5
STAGE 6
STAGE 6.5
Lift Size
3"
3"
3"
3"
5"
6.5"
6.5"
6.5"
Suspension Type
Torsion
Torsion
Coilover
Coilover + Kelderman
Torsion
Torsion
Coilover
Coilover + Kelderman
Gross Vehicle Mass (GVM)
4495 KG NB1
5148 KG NB2
5148 KG NB2
5500 KG
6000 KG
6000 KG
6000 KG
6000 KG
6000 KG
6000 KG
6000 KG
Braked Towing Capacity (BTC)
4500 KG
4500 KG
4500 KG
4500 KG
4500 KG
4500 KG
4500 KG
4500 KG
4500 KG
Gross Combined Mass (GCM)
12,474 KG
12,474 KG
12,474 KG
12,474 KG
12,474 KG
12,474 KG
12,474 KG
12,474 KG
12,474 KG
Kerb Weight
3762 KG
3792 KG
3802 KG
3810 KG
3810 KG
3862 KG
3862 KG
3862 KG
3862 KG
Payload (bases on kerb weight) FROM NB1
NB1 733 KG
NB2 1386 KG
NB2 1386 KG
1708 KG
2198 KG
2190 KG
2190 KG
2138 KG
2138 KG
2138 KG
2138 KG
Payload Increase (%)
133%
199%
198%
198%
192%
192%
192%
192%
Front Axle Capacity
2540 KG
2540 KG
2722 KG
2722 KG
2722 KG
2722 KG
2722 KG
2722 KG
2722 KG
Rear Axle Capacity
2994 KG
2994 KG
3289 KG
3289 KG
3289 KG
3289 KG
3289 KG
3289 KG
3289 KG
Wheel Offsets
POS 47
Pos 12 / 18 Zero
Pos 12 / 18 Zero
Pos 12 / 18 Zero
Pos 12 / 18 Zero
Zero
Zero
Zero
Zero
Wheel Load Rating
1600 KG
1644 KG
1644 KG
1644 KG
1644 KG
1644 KG
1644 KG
1644 KG
Tyre Load Rating
125 Q
125 Q
125 Q
125 Q
125 Q
125 Q
128Q
128Q
Requires Wheel/ Tyre Upgrade
✓
✓
✓
✓
✓
✓
✓
✓
Maximum Tyre Size
35x12.5xR18 | 35x12.5xR20
35x12.5xR18 | 35x12.5xR20
37x12.5xR18 | 37x12.5R20
37x12.5xR18 | 37x12.5R20
35x12.5xR18 | 35x12.5xR20
37x12.5xR18 | 37x12.5xR20
37x12.5xR18 | 37x12.5xR20
35x12.5xR18 | 35x12.5xR20
37x12.5xR18 | 37x12.5xR20
37x12.5xR18 | 37x12.5xR20
35x12.5xR18 | 35x12.5xR20
37x12.5xR18 | 37x12.5xR20
37x12.5xR18 | 37x12.5xR20
35x12.5xR18 | 35x12.5xR20
37x12.5xR18 | 37x12.5xR20
37x12.5xR18 | 37x12.5xR20
35x12.5xR18 | 35x12.5xR20
37x12.5xR18 | 37x12.5xR20
37x12.5xR18 | 37x12.5xR20
35x12.5xR18 | 35x12.5xR20
37x12.5xR18 | 37x12.5xR20
37x12.5xR18 | 37x12.5xR20
Frequently Asked Questions
What is a GVM upgrade?
A GVM (Gross Vehicle Mass) upgrade increases the maximum legal weight your vehicle can carry, using SSM certification.
How much payload can I legally gain?
Gains vary by vehicle and stage. Contact us for figures specific to your Chevy Silverado 2500HD.
What is the difference between the stages?
Each stage offers a different GVM and suspension package. See the package grid above.